#!KAMAILIO

# Kamailio (OpenSER) SIP Server v4.2 - default configuration script

# - web: http://www.kamailio.org

# - git: http://sip-router.org

# Direct your questions about this file to: <sr-users@lists.sip-router.org>

# Refer to the Core CookBook at http://www.kamailio.org/wiki/

# for an explanation of possible statements, functions and parameters.

# Several features can be enabled using '#!define WITH_FEATURE' directives:

# *** To run in debug mode:

# - define WITH_DEBUG

# *** To enable mysql:

#!define WITH_MYSQL

# *** To enable authentication execute:

# - enable mysql

#!define WITH_AUTH

# - add users using 'kamctl'

# *** To enable IP authentication execute:

# - enable mysql

# - enable authentication

# - define WITH_IPAUTH

# - add IP addresses with group id '1' to 'address' table

# *** To enable persistent user location execute:

# - enable mysql

#!define WITH_USRLOCDB

# *** To enable presence server execute:

# - enable mysql

#!define WITH_PRESENCE

# *** To enable nat traversal execute:

#!define WITH_NAT

# - install RTPProxy: http://www.rtpproxy.org

# - start RTPProxy:

# rtpproxy -l _your_public_ip_ -s udp:localhost:7722

# - option for NAT SIP OPTIONS keepalives: WITH_NATSIPPING

# *** To enable PSTN gateway routing execute:

# - define WITH_PSTN

# - set the value of pstn.gw_ip

# - check route[PSTN] for regexp routing condition

# *** To enable database aliases lookup execute:

# - enable mysql

# - define WITH_ALIASDB

# *** To enable speed dial lookup execute:

# - enable mysql

# - define WITH_SPEEDDIAL

# *** To enable multi-domain support execute:

# - enable mysql

# - define WITH_MULTIDOMAIN

# *** To enable TLS support execute:

# - adjust CFGDIR/tls.cfg as needed

# - define WITH_TLS

# *** To enable XMLRPC support execute:

# - define WITH_XMLRPC

# - adjust route[XMLRPC] for access policy

# *** To enable anti-flood detection execute:

# - adjust pike and htable=>ipban settings as needed (default is

# block if more than 16 requests in 2 seconds and ban for 300 seconds)

# - define WITH_ANTIFLOOD

# *** To block 3XX redirect replies execute:

# - define WITH_BLOCK3XX

# *** To enable VoiceMail routing execute:

# - define WITH_VOICEMAIL

# - set the value of voicemail.srv_ip

# - adjust the value of voicemail.srv_port

# *** To enhance accounting execute:

# - enable mysql

# - define WITH_ACCDB

# - add following columns to database

#!ifdef ACCDB_COMMENT

ALTER TABLE acc ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE acc ADD COLUMN src_domain VARCHAR(128) NOT NULL DEFAULT '';

ALTER TABLE acc ADD COLUMN src_ip varchar(64) NOT NULL default '';

ALTER TABLE acc ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE acc ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE acc ADD COLUMN dst_domain VARCHAR(128) NOT NULL DEFAULT '';

ALTER TABLE missed_calls ADD COLUMN src_user VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE missed_calls ADD COLUMN src_domain VARCHAR(128) NOT NULL DEFAULT '';

ALTER TABLE missed_calls ADD COLUMN src_ip varchar(64) NOT NULL default '';

ALTER TABLE missed_calls ADD COLUMN dst_ouser VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE missed_calls ADD COLUMN dst_user VARCHAR(64) NOT NULL DEFAULT '';

ALTER TABLE missed_calls ADD COLUMN dst_domain VARCHAR(128) NOT NULL DEFAULT '';

#!endif

####### Include Local Config If Exists #########

import_file "kamailio-local.cfg"

####### Defined Values #########

# *** Value defines - IDs used later in config

#!ifdef WITH_MYSQL

# - database URL - used to connect to database server by modules such

# as: auth_db, acc, usrloc, a.s.o.

#!ifndef DBURL

#!define DBURL "mysql://kamailio:kamailiorw@localhost/kamailio"

#!endif

#!ifdef WITH_MULTIDOMAIN

# - the value for 'use_domain' parameters

#!define MULTIDOMAIN 1

#!else

#!define MULTIDOMAIN 0

#!endif

# - flags

# FLT_ - per transaction (message) flags

# FLB_ - per branch flags

#!define FLT_ACC 1

#!define FLT_ACCMISSED 2

#!define FLT_ACCFAILED 3

#!define FLT_NATS 5

#!define FLB_NATB 6

#!define FLB_NATSIPPING 7

####### Global Parameters #########

### LOG Levels: 3=DBG, 2=INFO, 1=NOTICE, 0=WARN, -1=ERR

#!ifdef WITH_DEBUG

debug=4

log_stderror=yes

#!else

debug=2

log_stderror=no

#!endif

memdbg=5

memlog=5

log_facility=LOG_LOCAL0

fork=yes

children=4

/* uncomment the next line to disable TCP (default on) */

#disable_tcp=yes

/* uncomment the next line to disable the auto discovery of local aliases

based on reverse DNS on IPs (default on) */

#auto_aliases=no

/* add local domain aliases */

#alias="sip.mydomain.com"

/* uncomment and configure the following line if you want Kamailio to

bind on a specific interface/port/proto (default bind on all available) */

#listen=udp:10.0.0.10:5060

/* port to listen to

* - can be specified more than once if needed to listen on many ports */

port=5060

#!ifdef WITH_TLS

enable_tls=yes

#!endif

# life time of TCP connection when there is no traffic

# - a bit higher than registration expires to cope with UA behind NAT

tcp_connection_lifetime=3605

####### Custom Parameters #########

# These parameters can be modified runtime via RPC interface

# - see the documentation of 'cfg_rpc' module.

# Format: group.id = value 'desc' description

# Access: $sel(cfg_get.group.id) or @cfg_get.group.id

#!ifdef WITH_PSTN

# PSTN GW Routing

# - pstn.gw_ip: valid IP or hostname as string value, example:

# pstn.gw_ip = "10.0.0.101" desc "My PSTN GW Address"

# - by default is empty to avoid misrouting

pstn.gw_ip = "" desc "PSTN GW Address"

pstn.gw_port = "" desc "PSTN GW Port"

#!endif

#!ifdef WITH_VOICEMAIL

# VoiceMail Routing on offline, busy or no answer

# - by default Voicemail server IP is empty to avoid misrouting

voicemail.srv_ip = "" desc "VoiceMail IP Address"

voicemail.srv_port = "5060" desc "VoiceMail Port"

#!endif

####### Modules Section ########

# set paths to location of modules (to sources or installation folders)

#!ifdef WITH_SRCPATH

mpath="modules/"

#!else

mpath="/usr/local/lib64/kamailio/modules/"

#!endif

#!ifdef WITH_MYSQL

loadmodule "db_mysql.so"

#!endif

loadmodule "mi_fifo.so"

loadmodule "kex.so"

loadmodule "corex.so"

loadmodule "tm.so"

loadmodule "tmx.so"

loadmodule "sl.so"

loadmodule "rr.so"

loadmodule "pv.so"

loadmodule "maxfwd.so"

loadmodule "usrloc.so"

loadmodule "registrar.so"

loadmodule "textops.so"

loadmodule "siputils.so"

loadmodule "xlog.so"

loadmodule "sanity.so"

loadmodule "ctl.so"

loadmodule "cfg_rpc.so"

loadmodule "mi_rpc.so"

loadmodule "acc.so"

#!ifdef WITH_AUTH

loadmodule "auth.so"

loadmodule "auth_db.so"

#!ifdef WITH_IPAUTH

loadmodule "permissions.so"

#!endif

#!ifdef WITH_ALIASDB

loadmodule "alias_db.so"

#!endif

#!ifdef WITH_SPEEDDIAL

loadmodule "speeddial.so"

#!endif

#!ifdef WITH_MULTIDOMAIN

loadmodule "domain.so"

#!endif

#!ifdef WITH_PRESENCE

loadmodule "presence.so"

loadmodule "presence_xml.so"

#!endif

#!ifdef WITH_NAT

loadmodule "nathelper.so"

loadmodule "rtpproxy.so"

#!endif

#!ifdef WITH_TLS

loadmodule "tls.so"

#!endif

#!ifdef WITH_ANTIFLOOD

loadmodule "htable.so"

loadmodule "pike.so"

#!endif

#!ifdef WITH_XMLRPC

loadmodule "xmlrpc.so"

#!endif

#!ifdef WITH_DEBUG

loadmodule "debugger.so"

#!endif

# ----------------- setting module-specific parameters ---------------

# ----- mi_fifo params -----

modparam("mi_fifo", "fifo_name", "/tmp/kamailio_fifo")

# ----- tm params -----

# auto-discard branches from previous serial forking leg

modparam("tm", "failure_reply_mode", 3)

# default retransmission timeout: 30sec

modparam("tm", "fr_timer", 30000)

# default invite retransmission timeout after 1xx: 120sec

modparam("tm", "fr_inv_timer", 120000)

# ----- rr params -----

# set next param to 1 to add value to ;lr param (helps with some UAs)

modparam("rr", "enable_full_lr", 0)

# do not append from tag to the RR (no need for this script)

modparam("rr", "append_fromtag", 0)

# ----- registrar params -----

modparam("registrar", "method_filtering", 1)

/* uncomment the next line to disable parallel forking via location */

# modparam("registrar", "append_branches", 0)

/* uncomment the next line not to allow more than 10 contacts per AOR */

#modparam("registrar", "max_contacts", 10)

# max value for expires of registrations

modparam("registrar", "max_expires", 3600)

# set it to 1 to enable GRUU

modparam("registrar", "gruu_enabled", 0)

# ----- acc params -----

/* what special events should be accounted ? */

modparam("acc", "early_media", 0)

modparam("acc", "report_ack", 0)

modparam("acc", "report_cancels", 0)

/* by default ww do not adjust the direct of the sequential requests.

if you enable this parameter, be sure the enable "append_fromtag"

in "rr" module */

modparam("acc", "detect_direction", 0)

/* account triggers (flags) */

modparam("acc", "log_flag", FLT_ACC)

modparam("acc", "log_missed_flag", FLT_ACCMISSED)

modparam("acc", "log_extra",

"src_user=$fU;src_domain=$fd;src_ip=$si;"

"dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")

modparam("acc", "failed_transaction_flag", FLT_ACCFAILED)

/* enhanced DB accounting */

#!ifdef WITH_ACCDB

modparam("acc", "db_flag", FLT_ACC)

modparam("acc", "db_missed_flag", FLT_ACCMISSED)

modparam("acc", "db_url", DBURL)

modparam("acc", "db_extra",

"src_user=$fU;src_domain=$fd;src_ip=$si;"

"dst_ouser=$tU;dst_user=$rU;dst_domain=$rd")

#!endif

# ----- usrloc params -----

/* enable DB persistency for location entries */

#!ifdef WITH_USRLOCDB

modparam("usrloc", "db_url", DBURL)

modparam("usrloc", "db_mode", 2)

modparam("usrloc", "use_domain", MULTIDOMAIN)

#!endif

# ----- auth_db params -----

#!ifdef WITH_AUTH

modparam("auth_db", "db_url", DBURL)

modparam("auth_db", "calculate_ha1", yes)

modparam("auth_db", "password_column", "password")

modparam("auth_db", "load_credentials", "")

modparam("auth_db", "use_domain", MULTIDOMAIN)

# ----- permissions params -----

#!ifdef WITH_IPAUTH

modparam("permissions", "db_url", DBURL)

modparam("permissions", "db_mode", 1)

#!endif

# ----- alias_db params -----

#!ifdef WITH_ALIASDB

modparam("alias_db", "db_url", DBURL)

modparam("alias_db", "use_domain", MULTIDOMAIN)

#!endif

# ----- speeddial params -----

#!ifdef WITH_SPEEDDIAL

modparam("speeddial", "db_url", DBURL)

modparam("speeddial", "use_domain", MULTIDOMAIN)

#!endif

# ----- domain params -----

#!ifdef WITH_MULTIDOMAIN

modparam("domain", "db_url", DBURL)

# register callback to match myself condition with domains list

modparam("domain", "register_myself", 1)

#!endif

#!ifdef WITH_PRESENCE

# ----- presence params -----

modparam("presence", "db_url", DBURL)

# ----- presence_xml params -----

modparam("presence_xml", "db_url", DBURL)

modparam("presence_xml", "force_active", 1)

#!endif

#!ifdef WITH_NAT

# ----- rtpproxy params -----

modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722")

# ----- nathelper params -----

modparam("nathelper", "natping_interval", 30)

modparam("nathelper", "ping_nated_only", 1)

modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)

modparam("nathelper", "sipping_from", "sip:pinger@kamailio.org")

# params needed for NAT traversal in other modules

modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")

modparam("usrloc", "nat_bflag", FLB_NATB)

#!endif

#!ifdef WITH_TLS

# ----- tls params -----

modparam("tls", "config", "/usr/local/etc/kamailio/tls.cfg")

#!endif

#!ifdef WITH_ANTIFLOOD

# ----- pike params -----

modparam("pike", "sampling_time_unit", 2)

modparam("pike", "reqs_density_per_unit", 16)

modparam("pike", "remove_latency", 4)

# ----- htable params -----

# ip ban htable with autoexpire after 5 minutes

modparam("htable", "htable", "ipban=>size=8;autoexpire=300;")

#!endif

#!ifdef WITH_XMLRPC

# ----- xmlrpc params -----

modparam("xmlrpc", "route", "XMLRPC");

modparam("xmlrpc", "url_match", "^/RPC")

#!endif

#!ifdef WITH_DEBUG

# ----- debugger params -----

modparam("debugger", "cfgtrace", 1)

#!endif

####### Routing Logic ########

# Main SIP request routing logic

# - processing of any incoming SIP request starts with this route

# - note: this is the same as route { ... }

request_route {

# per request initial checks

route(REQINIT);

# NAT detection

route(NATDETECT);

# CANCEL processing

if (is_method("CANCEL")) {

if (t_check_trans()) {

route(RELAY);

}

exit;

}

# handle requests within SIP dialogs

route(WITHINDLG);

### only initial requests (no To tag)

# handle retransmissions

if(t_precheck_trans()) {

t_check_trans();

exit;

}

t_check_trans();

# authentication

route(AUTH);

# record routing for dialog forming requests (in case they are routed)

# - remove preloaded route headers

remove_hf("Route");

if (is_method("INVITE|SUBSCRIBE"))

record_route();

# account only INVITEs

if (is_method("INVITE")) {

setflag(FLT_ACC); # do accounting

}

# dispatch requests to foreign domains

route(SIPOUT);

### requests for my local domains

# handle presence related requests

route(PRESENCE);

# handle registrations

route(REGISTRAR);

if ($rU==$null) {

# request with no Username in RURI

sl_send_reply("484","Address Incomplete");

exit;

}

# dispatch destinations to PSTN

route(PSTN);

# user location service

route(LOCATION);

}

# Wrapper for relaying requests

route[RELAY] {

# enable additional event routes for forwarded requests

# - serial forking, RTP relaying handling, a.s.o.

if (is_method("INVITE|BYE|SUBSCRIBE|UPDATE")) {

if(!t_is_set("branch_route")) t_on_branch("MANAGE_BRANCH");

}

if (is_method("INVITE|SUBSCRIBE|UPDATE")) {

if(!t_is_set("onreply_route")) t_on_reply("MANAGE_REPLY");

}

if (is_method("INVITE")) {

if(!t_is_set("failure_route")) t_on_failure("MANAGE_FAILURE");

}

if (!t_relay()) {

sl_reply_error();

}

exit;

}

# Per SIP request initial checks

route[REQINIT] {

#!ifdef WITH_ANTIFLOOD

# flood dection from same IP and traffic ban for a while

# be sure you exclude checking trusted peers, such as pstn gateways

# - local host excluded (e.g., loop to self)

if(src_ip!=myself) {

if($sht(ipban=>$si)!=$null) {

# ip is already blocked

xdbg("request from blocked IP - $rm from $fu (IP:$si:$sp)\n");

exit;

}

if (!pike_check_req()) {

xlog("L_ALERT","ALERT: pike blocking $rm from $fu (IP:$si:$sp)\n");

$sht(ipban=>$si) = 1;

exit;

}

if($ua =~ "friendly-scanner") {

sl_send_reply("200", "OK");

exit;

}

#!endif

if (!mf_process_maxfwd_header("10")) {

sl_send_reply("483","Too Many Hops");

exit;

}

if(is_method("OPTIONS") && uri==myself && $rU==$null) {

sl_send_reply("200","Keepalive");

exit;

}

if(!sanity_check("1511", "7")) {

xlog("Malformed SIP message from $si:$sp\n");

exit;

}

# Handle requests within SIP dialogs

route[WITHINDLG] {

if (!has_totag()) return;

# sequential request withing a dialog should

# take the path determined by record-routing

if (loose_route()) {

route(DLGURI);

if (is_method("BYE")) {

setflag(FLT_ACC); # do accounting ...

setflag(FLT_ACCFAILED); # ... even if the transaction fails

}

else if ( is_method("ACK") ) {

# ACK is forwarded statelessy

route(NATMANAGE);

}

else if ( is_method("NOTIFY") ) {

# Add Record-Route for in-dialog NOTIFY as per RFC 6665.

record_route();

}

route(RELAY);

exit;

}

if (is_method("SUBSCRIBE") && uri == myself) {

# in-dialog subscribe requests

route(PRESENCE);

exit;

}

if ( is_method("ACK") ) {

if ( t_check_trans() ) {

# no loose-route, but stateful ACK;

# must be an ACK after a 487

# or e.g. 404 from upstream server

route(RELAY);

exit;

} else {

# ACK without matching transaction ... ignore and discard

exit;

}

sl_send_reply("404","Not here");

exit;

}

# Handle SIP registrations

route[REGISTRAR] {

if (!is_method("REGISTER")) return;

if(isflagset(FLT_NATS)) {

setbflag(FLB_NATB);

#!ifdef WITH_NATSIPPING

# do SIP NAT pinging

setbflag(FLB_NATSIPPING);

#!endif

}

if (!save("location"))

sl_reply_error();

exit;

}

# User location service

route[LOCATION] {

#!ifdef WITH_SPEEDDIAL

# search for short dialing - 2-digit extension

if($rU=~"^[0-9][0-9]$")

if(sd_lookup("speed_dial"))

route(SIPOUT);

#!endif

#!ifdef WITH_ALIASDB

# search in DB-based aliases

if(alias_db_lookup("dbaliases"))

route(SIPOUT);

#!endif

$avp(oexten) = $rU;

if (!lookup("location")) {

$var(rc) = $rc;

route(TOVOICEMAIL);

t_newtran();

switch ($var(rc)) {

case -1:

case -3:

send_reply("404", "Not Found");

exit;

case -2:

send_reply("405", "Method Not Allowed");

exit;

}

# when routing via usrloc, log the missed calls also

if (is_method("INVITE")) {

setflag(FLT_ACCMISSED);

}

route(RELAY);

exit;

}

# Presence server processing

route[PRESENCE] {

if(!is_method("PUBLISH|SUBSCRIBE"))

return;

if(is_method("SUBSCRIBE") && $hdr(Event)=="message-summary") {

route(TOVOICEMAIL);

# returns here if no voicemail server is configured

sl_send_reply("404", "No voicemail service");

exit;

}

#!ifdef WITH_PRESENCE

if (!t_newtran()) {

sl_reply_error();

exit;

}

if(is_method("PUBLISH")) {

handle_publish();

t_release();

} else if(is_method("SUBSCRIBE")) {

handle_subscribe();

t_release();

}

exit;

#!endif

# if presence enabled, this part will not be executed

if (is_method("PUBLISH") || $rU==$null) {

sl_send_reply("404", "Not here");

exit;

}

return;

}

# IP authorization and user uthentication

route[AUTH] {

#!ifdef WITH_AUTH

#!ifdef WITH_IPAUTH

if((!is_method("REGISTER")) && allow_source_address()) {

# source IP allowed

return;

}

#!endif

if (is_method("REGISTER") || from_uri==myself)

{

# authenticate requests

if (!auth_check("$fd", "subscriber", "1")) {

auth_challenge("$fd", "0");

exit;

}

# user authenticated - remove auth header

if(!is_method("REGISTER|PUBLISH"))

consume_credentials();

}

# if caller is not local subscriber, then check if it calls

# a local destination, otherwise deny, not an open relay here

if (from_uri!=myself && uri!=myself) {

sl_send_reply("403","Not relaying");

exit;

}

#!endif

return;

}

# Caller NAT detection

route[NATDETECT] {

#!ifdef WITH_NAT

force_rport();

if (nat_uac_test("19")) {

if (is_method("REGISTER")) {

fix_nated_register();

} else {

if(is_first_hop())

set_contact_alias();

}

setflag(FLT_NATS);

}

#!endif

return;

}

# RTPProxy control and singaling updates for NAT traversal

route[NATMANAGE] {

#!ifdef WITH_NAT

if (is_request()) {

if(has_totag()) {

if(check_route_param("nat=yes")) {

setbflag(FLB_NATB);

}

if (!(isflagset(FLT_NATS) || isbflagset(FLB_NATB)))

return;

# ThanhTruong Handle Rtpproxy Header Field

if (is_present_hf("Rtpproxy")) {

rtpproxy_manage("co");

}else{

xlog("L_ERR", "DO NOT Route call via RTPPROXY ....................\n");

}

#rtpproxy_manage("co");

if (is_request()) {

if (!has_totag()) {

if(t_is_branch_route()) {

add_rr_param(";nat=yes");

}

if (is_reply()) {

if(isbflagset(FLB_NATB)) {

if(is_first_hop())

set_contact_alias();

}

#!endif

return;

}

# URI update for dialog requests

route[DLGURI] {

#!ifdef WITH_NAT

if(!isdsturiset()) {

handle_ruri_alias();

}

#!endif

return;

}

# Routing to foreign domains

route[SIPOUT] {

if (uri==myself) return;

append_hf("P-hint: outbound\r\n");

route(RELAY);

exit;

}

# PSTN GW routing

route[PSTN] {

#!ifdef WITH_PSTN

# check if PSTN GW IP is defined

if (strempty($sel(cfg_get.pstn.gw_ip))) {

xlog("SCRIPT: PSTN rotuing enabled but pstn.gw_ip not defined\n");

return;

}

# route to PSTN dialed numbers starting with '+' or '00'

# (international format)

# - update the condition to match your dialing rules for PSTN routing

if(!($rU=~"^(\+|00)[1-9][0-9]{3,20}$"))

return;

# only local users allowed to call

if(from_uri!=myself) {

sl_send_reply("403", "Not Allowed");

exit;

}

if (strempty($sel(cfg_get.pstn.gw_port))) {

$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip);

} else {

$ru = "sip:" + $rU + "@" + $sel(cfg_get.pstn.gw_ip) + ":"

+ $sel(cfg_get.pstn.gw_port);

}

route(RELAY);

exit;

#!endif

return;

}

# XMLRPC routing

#!ifdef WITH_XMLRPC

route[XMLRPC] {

# allow XMLRPC from localhost

if ((method=="POST" || method=="GET")

&& (src_ip==127.0.0.1)) {

# close connection only for xmlrpclib user agents (there is a bug in

# xmlrpclib: it waits for EOF before interpreting the response).

if ($hdr(User-Agent) =~ "xmlrpclib")

set_reply_close();

set_reply_no_connect();

dispatch_rpc();

exit;

}

send_reply("403", "Forbidden");

exit;

}

#!endif

# Routing to voicemail server

route[TOVOICEMAIL] {

#!ifdef WITH_VOICEMAIL

if(!is_method("INVITE|SUBSCRIBE"))

return;

# check if VoiceMail server IP is defined

if (strempty($sel(cfg_get.voicemail.srv_ip))) {

xlog("SCRIPT: VoiceMail rotuing enabled but IP not defined\n");

return;

}

if(is_method("INVITE")) {

if($avp(oexten)==$null)

return;

$ru = "sip:" + $avp(oexten) + "@" + $sel(cfg_get.voicemail.srv_ip)

+ ":" + $sel(cfg_get.voicemail.srv_port);

} else {

if($rU==$null)

return;

$ru = "sip:" + $rU + "@" + $sel(cfg_get.voicemail.srv_ip)

+ ":" + $sel(cfg_get.voicemail.srv_port);

}

route(RELAY);

exit;

#!endif

return;

}

# Manage outgoing branches

branch_route[MANAGE_BRANCH] {

xdbg("new branch [$T_branch_idx] to $ru\n");

route(NATMANAGE);

}

# Manage incoming replies

onreply_route[MANAGE_REPLY] {

xdbg("incoming reply\n");

if(status=~"[12][0-9][0-9]")

route(NATMANAGE);

}

# Manage failure routing cases

failure_route[MANAGE_FAILURE] {

route(NATMANAGE);

if (t_is_canceled()) {

exit;

}

#!ifdef WITH_BLOCK3XX

# block call redirect based on 3xx replies.

if (t_check_status("3[0-9][0-9]")) {

t_reply("404","Not found");

exit;

}

#!endif

#!ifdef WITH_VOICEMAIL

# serial forking

# - route to voicemail on busy or no answer (timeout)

if (t_check_status("486|408")) {

$du = $null;

route(TOVOICEMAIL);

exit;

}

#!endif

}

and this is message tracer :

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-19e7f68f37f97d0596018a16a6f92588.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 401 Unauthorized.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.3c8d.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-19e7f68f37f97d0596018a16a6f92588;rport=27000;received=113.172.178.53.

WWW-Authenticate: Digest realm="sip.example.com", nonce="VDBGtVQwRYklXB5tPKgFK0p+CLOeqnrd".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ef20767880d63aa0678cf55bfdf23d8f.

Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGtVQwRYklXB5tPKgFK0p+CLOeqnrd",uri="sip:sip.example.com:5060",response="7948d5cc188fae8d1fc56ef76668b622".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 200 OK.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.70fc.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ef20767880d63aa0678cf55bfdf23d8f;rport=27000;received=113.172.178.53.

Contact: <sip:126@192.168.0.103:20730;rinstance=f422aa5d2e46080f>;expires=1623;received="sip:113.172.178.53:27046", <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600;received="sip:113.172.178.53:27000".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ef20767880d63aa0678cf55bfdf23d8f.

Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGtVQwRYklXB5tPKgFK0p+CLOeqnrd",uri="sip:sip.example.com:5060",response="7948d5cc188fae8d1fc56ef76668b622".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 200 OK.

Call-ID: a9fa97851a69f48cf899f393d8840f78@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=f171bbda.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.70fc.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ef20767880d63aa0678cf55bfdf23d8f;rport=27000;received=113.172.178.53.

Contact: <sip:126@192.168.0.103:20730;rinstance=f422aa5d2e46080f>;expires=1623;received="sip:113.172.178.53:27046", <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600;received="sip:113.172.178.53:27000".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=6b1a44c2.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ee5ab5bb8d09684994d7c54e4bcf749f.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: presence.winfo.

Accept: application/watcherinfo+xml.

Expires: 3600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 407 Proxy Authentication Required.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=6b1a44c2.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.633c.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-ee5ab5bb8d09684994d7c54e4bcf749f;rport=27000;received=113.172.178.53.

Proxy-Authenticate: Digest realm="sip.example.com", nonce="VDBGt1QwRYs4FBEAqaT7qgC/bVpE6gSw".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: 2eaf31c4c83c4ea8d955cf26d7318d08@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=d0c25ea9.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-2b89583dfe1146d7bf4fbb845c046275.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: message-summary.

Accept: application/simple-message-summary.

Expires: 3600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 407 Proxy Authentication Required.

Call-ID: 2eaf31c4c83c4ea8d955cf26d7318d08@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=d0c25ea9.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.b775.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-2b89583dfe1146d7bf4fbb845c046275;rport=27000;received=113.172.178.53.

Proxy-Authenticate: Digest realm="sip.example.com", nonce="VDBGt1QwRYs4FBEAqaT7qgC/bVpE6gSw".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.3e6e.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=6b1a44c2.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: presence.winfo.

Accept: application/watcherinfo+xml.

Expires: 3600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-6b9a0437c22274450a94d979f61ba0cd.

Proxy-Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGt1QwRYs4FBEAqaT7qgC/bVpE6gSw",uri="sip:126@sip.example.com",response="17330e0333412b150fd08fc7d87f1d8e".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 200 OK.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=6b1a44c2.

To: "126" <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-f6fc.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-6b9a0437c22274450a94d979f61ba0cd;rport=27000;received=113.172.178.53.

Expires: 3600.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 192.168.0.103:5060

NOTIFY sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi;alias=113.172.178.53~27000~1 SIP/2.0.

Via: SIP/2.0/UDP sip.example.com:5060;branch=z9hG4bK474f.1df9eac6000000000000000000000000.0.

To: <sip:126@sip.example.com>;tag=6b1a44c2.

From: <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-f6fc.

CSeq: 2 NOTIFY.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

Content-Length: 197.

User-Agent: kamailio (4.2.0-pre1 (x86_64/linux)).

Max-Forwards: 70.

Event: presence.winfo.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Subscription-State: active;expires=3600.

Content-Type: application/watcherinfo+xml.

.

<?xml version="1.0"?>

<watcherinfo xmlns="urn:ietf:params:xml:ns:watcherinfo" version="1" state="full">

  <watcher-list resource="sip:126@sip.example.com" package="presence"/>

</watcherinfo>

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: 2eaf31c4c83c4ea8d955cf26d7318d08@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=d0c25ea9.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: message-summary.

Accept: application/simple-message-summary.

Expires: 3600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-84cbc7e144aec1d1f05099ebca9da3d2.

Proxy-Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGt1QwRYs4FBEAqaT7qgC/bVpE6gSw",uri="sip:126@sip.example.com",response="17330e0333412b150fd08fc7d87f1d8e".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 404 No voicemail service.

Call-ID: 2eaf31c4c83c4ea8d955cf26d7318d08@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=d0c25ea9.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.ef78.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-84cbc7e144aec1d1f05099ebca9da3d2;rport=27000;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.3e6e.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:26832

....

U abc.def.ghi.klm:5060 -> 192.168.0.103:5060

NOTIFY sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi;alias=113.172.178.53~27000~1 SIP/2.0.

Via: SIP/2.0/UDP sip.example.com:5060;branch=z9hG4bK474f.1df9eac6000000000000000000000000.0.

To: <sip:126@sip.example.com>;tag=6b1a44c2.

From: <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-f6fc.

CSeq: 2 NOTIFY.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

Content-Length: 197.

User-Agent: kamailio (4.2.0-pre1 (x86_64/linux)).

Max-Forwards: 70.

Event: presence.winfo.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Subscription-State: active;expires=3600.

Content-Type: application/watcherinfo+xml.

.

<?xml version="1.0"?>

<watcherinfo xmlns="urn:ietf:params:xml:ns:watcherinfo" version="1" state="full">

  <watcher-list resource="sip:126@sip.example.com" package="presence"/>

</watcherinfo>

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.3e6e.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27046 -> abc.def.ghi.klm:5060

.

.

U abc.def.ghi.klm:5060 -> 192.168.0.103:5060

NOTIFY sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi;alias=113.172.178.53~27000~1 SIP/2.0.

Via: SIP/2.0/UDP sip.example.com:5060;branch=z9hG4bK474f.1df9eac6000000000000000000000000.0.

To: <sip:126@sip.example.com>;tag=6b1a44c2.

From: <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-f6fc.

CSeq: 2 NOTIFY.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

Content-Length: 197.

User-Agent: kamailio (4.2.0-pre1 (x86_64/linux)).

Max-Forwards: 70.

Event: presence.winfo.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Subscription-State: active;expires=3600.

Content-Type: application/watcherinfo+xml.

.

<?xml version="1.0"?>

<watcherinfo xmlns="urn:ietf:params:xml:ns:watcherinfo" version="1" state="full">

  <watcher-list resource="sip:126@sip.example.com" package="presence"/>

</watcherinfo>

U 113.172.178.53:26748 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: c06f95df711ac1cfa07e2a5fbb3add79@0:0:0:0:0:0:0:0.

CSeq: 30 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=80c6c9b6.

To: "127" <sip:127@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-39070c742a32ce2fb155d4c63e40abf0.

Max-Forwards: 70.

Contact: "127" <sip:127@192.168.0.102:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Windows 7.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: c06f95df711ac1cfa07e2a5fbb3add79@0:0:0:0:0:0:0:0.

CSeq: 30 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=80c6c9b6.

To: "127" <sip:127@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.32bb.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-39070c742a32ce2fb155d4c63e40abf0;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-556ed07f63ead6c5d04c34eb3a0a7019.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 401 Unauthorized.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.7bd8.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-556ed07f63ead6c5d04c34eb3a0a7019;rport=27000;received=113.172.178.53.

WWW-Authenticate: Digest realm="sip.example.com", nonce="VDBGuVQwRY1cVIxjVVNJCKirWxOUzPkN".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-556ed07f63ead6c5d04c34eb3a0a7019.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 401 Unauthorized.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 1 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.7bd8.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-556ed07f63ead6c5d04c34eb3a0a7019;rport=27000;received=113.172.178.53.

WWW-Authenticate: Digest realm="sip.example.com", nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

REGISTER sip:sip.example.com:5060 SIP/2.0.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 600.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-a04a1326eb5a42f7d6955ef55b22d460.

Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGuVQwRY1cVIxjVVNJCKirWxOUzPkN",uri="sip:sip.example.com:5060",response="5a378134b4f1df52e69f1c82fd5e3c96".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 200 OK.

Call-ID: fede40e5d6742a43b3dff64b1584b3be@0:0:0:0:0:0:0:0.

CSeq: 2 REGISTER.

From: "126" <sip:126@sip.example.com>;tag=20b8e68.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.2bc0.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-a04a1326eb5a42f7d6955ef55b22d460;rport=27000;received=113.172.178.53.

Contact: <sip:126@192.168.0.103:20730;rinstance=f422aa5d2e46080f>;expires=1619;received="sip:113.172.178.53:27046", <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>;expires=600;received="sip:113.172.178.53:27000".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:26748 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: 282bf6cf0151acf56b6f4dc3ea57a438@0:0:0:0:0:0:0:0.

CSeq: 31 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=746f6c5a.

To: "127" <sip:127@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-dacef276fc1c7c7733dbd968487dc542.

Max-Forwards: 70.

Contact: "127" <sip:127@192.168.0.102:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Windows 7.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: 282bf6cf0151acf56b6f4dc3ea57a438@0:0:0:0:0:0:0:0.

CSeq: 31 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=746f6c5a.

To: "127" <sip:127@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.b5a9.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-dacef276fc1c7c7733dbd968487dc542;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: 0cbb6fe545bcbf07d761c9b2a449bd9e@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=79b767b9.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-9b1db4554327d50f02a53dd0514b9bfe.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: presence.winfo.

Accept: application/watcherinfo+xml.

Expires: 3600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 407 Proxy Authentication Required.

Call-ID: 0cbb6fe545bcbf07d761c9b2a449bd9e@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=79b767b9.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.774f.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-9b1db4554327d50f02a53dd0514b9bfe;rport=27000;received=113.172.178.53.

Proxy-Authenticate: Digest realm="sip.example.com", nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: e422d82a76d723ae66bf01d2eda0579b@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=7fc9dd97.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-08a4df3326d5c070e556dba514608ed6.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: message-summary.

Accept: application/simple-message-summary.

Expires: 3600.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 407 Proxy Authentication Required.

Call-ID: e422d82a76d723ae66bf01d2eda0579b@0:0:0:0:0:0:0:0.

CSeq: 1 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=7fc9dd97.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.19b3.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-08a4df3326d5c070e556dba514608ed6;rport=27000;received=113.172.178.53.

Proxy-Authenticate: Digest realm="sip.example.com", nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: 5e9017d6273c100e1757c4842f833640@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=b71031ed.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-397bcdc29e1933cdeced0d1066f15953.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: 5e9017d6273c100e1757c4842f833640@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=b71031ed.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.428d.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-397bcdc29e1933cdeced0d1066f15953;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

PUBLISH sip:126@sip.example.com SIP/2.0.

Call-ID: ff11d1237ed1f83caaa3f813f8e8b7ac@0:0:0:0:0:0:0:0.

CSeq: 19 PUBLISH.

From: "126" <sip:126@sip.example.com>;tag=f8e313e0.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-7cce216591fd90840efd2ca6d7c72a1e.

Max-Forwards: 70.

Content-Type: application/pidf+xml.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Expires: 3600.

Event: presence.

Content-Length: 427.

.

<?xml version="1.0" encoding="UTF-8" standalone="no"?><presence xmlns="urn:ietf:params:xml:ns:pidf" xmlns:dm="urn:ietf:params:xml:ns:pidf:data-model" xmlns:rpid="urn:ietf:params:xml:ns:pidf:rpid" entity="sip:126@sip.example.com"><dm:person id="p3196"><rpid:activities/></dm:person><tuple id="t1156"><status><basic>open</basic></status><contact>sip:126@sip.example.com</contact><note>Online</note></tuple></presence>

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 407 Proxy Authentication Required.

Call-ID: ff11d1237ed1f83caaa3f813f8e8b7ac@0:0:0:0:0:0:0:0.

CSeq: 19 PUBLISH.

From: "126" <sip:126@sip.example.com>;tag=f8e313e0.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.a1dc.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-7cce216591fd90840efd2ca6d7c72a1e;rport=27000;received=113.172.178.53.

Proxy-Authenticate: Digest realm="sip.example.com", nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO".

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: d401f9525044cf69a4e69972c2f4da08@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=7863ae0e.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.3e6e.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc2969e12853a7feb1bbe3f27ac09887;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:26748 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: 282bf6cf0151acf56b6f4dc3ea57a438@0:0:0:0:0:0:0:0.

CSeq: 31 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=746f6c5a.

To: "127" <sip:127@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-dacef276fc1c7c7733dbd968487dc542.

Max-Forwards: 70.

Contact: "127" <sip:127@192.168.0.102:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Windows 7.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:5060

SIP/2.0 200 Keepalive.

Call-ID: 282bf6cf0151acf56b6f4dc3ea57a438@0:0:0:0:0:0:0:0.

CSeq: 31 OPTIONS.

From: "127" <sip:127@sip.example.com>;tag=746f6c5a.

To: "127" <sip:127@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.b5a9.

Via: SIP/2.0/UDP 192.168.0.102:5060;branch=z9hG4bK-353637-dacef276fc1c7c7733dbd968487dc542;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 192.168.0.103:5060

NOTIFY sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi;alias=113.172.178.53~27000~1 SIP/2.0.

Via: SIP/2.0/UDP sip.example.com:5060;branch=z9hG4bK474f.1df9eac6000000000000000000000000.0.

To: <sip:126@sip.example.com>;tag=6b1a44c2.

From: <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-f6fc.

CSeq: 2 NOTIFY.

Call-ID: daaf0a31e8ff211da4b9a26715b97486@0:0:0:0:0:0:0:0.

Content-Length: 197.

User-Agent: kamailio (4.2.0-pre1 (x86_64/linux)).

Max-Forwards: 70.

Event: presence.winfo.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Subscription-State: active;expires=3600.

Content-Type: application/watcherinfo+xml.

.

<?xml version="1.0"?>

<watcherinfo xmlns="urn:ietf:params:xml:ns:watcherinfo" version="1" state="full">

  <watcher-list resource="sip:126@sip.example.com" package="presence"/>

</watcherinfo>

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: 0cbb6fe545bcbf07d761c9b2a449bd9e@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=79b767b9.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: presence.winfo.

Accept: application/watcherinfo+xml.

Expires: 3600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-e1bb6fe7148ddebb3058273fb7f59a6b.

Proxy-Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO",uri="sip:126@sip.example.com",response="943363e96487711789491683418f96cb".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 200 OK.

Call-ID: 0cbb6fe545bcbf07d761c9b2a449bd9e@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=79b767b9.

To: "126" <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-389e.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-e1bb6fe7148ddebb3058273fb7f59a6b;rport=27000;received=113.172.178.53.

Expires: 3600.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 192.168.0.103:5060

NOTIFY sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi;alias=113.172.178.53~27000~1 SIP/2.0.

Via: SIP/2.0/UDP sip.example.com:5060;branch=z9hG4bKe9e5.7da40db3000000000000000000000000.0.

To: <sip:126@sip.example.com>;tag=79b767b9.

From: <sip:126@sip.example.com>;tag=c182c0c06e577e5881c162aa7d80ef4e-389e.

CSeq: 2 NOTIFY.

Call-ID: 0cbb6fe545bcbf07d761c9b2a449bd9e@0:0:0:0:0:0:0:0.

Content-Length: 197.

User-Agent: kamailio (4.2.0-pre1 (x86_64/linux)).

Max-Forwards: 70.

Event: presence.winfo.

Contact: <sip:abc.def.ghi.klm:5060;transport=udp>.

Subscription-State: active;expires=3600.

Content-Type: application/watcherinfo+xml.

.

<?xml version="1.0"?>

<watcherinfo xmlns="urn:ietf:params:xml:ns:watcherinfo" version="1" state="full">

  <watcher-list resource="sip:126@sip.example.com" package="presence"/>

</watcherinfo>

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

SUBSCRIBE sip:126@sip.example.com SIP/2.0.

Call-ID: e422d82a76d723ae66bf01d2eda0579b@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=7fc9dd97.

To: "126" <sip:126@sip.example.com>.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Event: message-summary.

Accept: application/simple-message-summary.

Expires: 3600.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc60bef221c1fdc4cf652059445e1a9b.

Proxy-Authorization: Digest username="126",realm="sip.example.com",nonce="VDBGulQwRY6I/6yOqmDKU12BjirB4skO",uri="sip:126@sip.example.com",response="943363e96487711789491683418f96cb".

Content-Length: 0.

.

U abc.def.ghi.klm:5060 -> 113.172.178.53:27000

SIP/2.0 404 No voicemail service.

Call-ID: e422d82a76d723ae66bf01d2eda0579b@0:0:0:0:0:0:0:0.

CSeq: 2 SUBSCRIBE.

From: "126" <sip:126@sip.example.com>;tag=7fc9dd97.

To: "126" <sip:126@sip.example.com>;tag=5ecb26dc70085b593eff6ba03c18a5c9.7215.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-cc60bef221c1fdc4cf652059445e1a9b;rport=27000;received=113.172.178.53.

Server: kamailio (4.2.0-pre1 (x86_64/linux)).

Content-Length: 0.

.

U 113.172.178.53:27000 -> abc.def.ghi.klm:5060

OPTIONS sip:sip.example.com SIP/2.0.

Call-ID: 5e9017d6273c100e1757c4842f833640@0:0:0:0:0:0:0:0.

CSeq: 1 OPTIONS.

From: "126" <sip:126@sip.example.com>;tag=b71031ed.

To: "126" <sip:126@sip.example.com>.

Via: SIP/2.0/UDP 192.168.0.103:5060;branch=z9hG4bK-393532-397bcdc29e1933cdeced0d1066f15953.

Max-Forwards: 70.

Contact: "126" <sip:126@192.168.0.103:5060;transport=udp;registering_acc=sip_killermobile_mobi>.

User-Agent: Jitsi2.4.4997Mac OS X.

Allow: INFO,OPTIONS,MESSAGE,BYE,REFER,SUBSCRIBE,ACK,CANCEL,PUBLISH,NOTIFY,INVITE.

Allow-Events: refer.

Content-Length: 0.

.