On 5/28/07, Andrey Kuprianov <andrey.kouprianov@gmail.com > wrote:

You didnt specify, what happens to the call. Does it get rejected? Timeout?

Usually, if I want to peer 2 SERs, I use permissions module, i.e.
allow_trusted() function must be used in order to allow incoming calls
from a certain IP. Take a look at Getting Started doc inside the NAT
handling section.

Anyway, SER-B doesnt use database, which means it does not care about
authentication. This is why call from SER-A can go thorugh. On the
other hand, SER-A uses database and so it will also use proper
authentication methods. As long as SER-B's IP is not present in the
'trusted' table of MySQL, SER-A will keep on rejecting your calls.

On 5/28/07, Arun Kumar < arunvoip@gmail.com> wrote:
> Hi
>
> I've configure two ser box in my local network:
> 1. one box with mysql auth (SER A)
> 2. without any auth (just make install) (SER B)
>
> in both boxes 2-2 users are registered and they are able to call each other.
>
> my SER A users are able to call SER B user (sip:2001@SER-B) but SER B user
> can't call SER A (sip:3001@SER-A) user. here is my config file for SER A
> box:
>
> ------------------
> debug=5
> fork=no
> log_stderror=yes
> listen=176.249.2.69   # INSERT YOUR IP ADDRESS HERE
> port=5060
> children=4
>
> dns=no
> rev_dns=no
> fifo="/tmp/ser_fifo"
> fifo_db_url="mysql://ser:heslo@localhost /ser"
>
> loadmodule "/usr/local/lib/ser/modules/mysql.so"
> loadmodule "/usr/local/lib/ser/modules/sl.so"
> loadmodule "/usr/local/lib/ser/modules/tm.so"
> loadmodule "/usr/local/lib/ser/modules/rr.so"
> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
> loadmodule "/usr/local/lib/ser/modules/registrar.so"
> loadmodule "/usr/local/lib/ser/modules/auth.so"
> loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> loadmodule "/usr/local/lib/ser/modules/uri.so"
> loadmodule "/usr/local/lib/ser/modules/uri_db.so"
> loadmodule "/usr/local/lib/ser/modules/domain.so"
> loadmodule "/usr/local/lib/ser/modules/nathelper.so"
> loadmodule "/usr/local/lib/ser/modules/avpops.so"
> loadmodule "/usr/local/lib/ser/modules/textops.so"
> loadmodule "/usr/local/lib/ser/modules/mediaproxy.so"
> loadmodule "/usr/local/lib/ser/modules/permissions.so"
> loadmodule "/usr/local/lib/ser/modules/acc.so"
> loadmodule "/usr/local/lib/ser/modules/xlog.so"
>
> modparam("auth_db|uri_db|usrloc", "db_url", "
> mysql://ser:heslo@localhost/ser")
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
> modparam("usrloc", "db_mode", 2)
> modparam("rr", "enable_full_lr", 1)
> route {
>
>   #
> -----------------------------------------------------------------
>   # Sanity Check Section
>   #
> -----------------------------------------------------------------
>   if (!mf_process_maxfwd_header("10")) {
>     sl_send_reply("483", "Too Many Hops");
>     break;
>   };
>
>   if (msg:len > max_len) {
>     sl_send_reply("513", "Message Overflow");
>     break;
>   };
>
>   #
> -----------------------------------------------------------------
>   # Record Route Section
>   #
> -----------------------------------------------------------------
>   if (method!="REGISTER") {
>     record_route();
>   };
>
>   #
> -----------------------------------------------------------------
>   # Loose Route Section
>   #
> -----------------------------------------------------------------
>   if (loose_route()) {
>
>         if ((method=="INVITE" || method=="REFER") && !has_totag()) {
>                 sl_send_reply("403", "Forbidden Cant cross 1st bridge");
>                 break;
>       };
>
>     route(1);
>     break;
>   };
>
>   #
> -----------------------------------------------------------------
>   # Call Type Processing Section
>   #
> -----------------------------------------------------------------
>   if (uri!=myself) {
>     route(1);
>     break;
>   };
>
>   if (method=="ACK") {
>     route(1);
>     break;
>   } if (method=="INVITE") {
>     route(3);
>     break;
>   } else  if (method=="REGISTER") {
>     route(2);
>     break;
>   };
>
>   lookup("aliases");
>   if (uri!=myself) {
>     route(1);
>     break;
>   };
>
>   if (!lookup("location")) {
>     sl_send_reply("404", "User Not Found");
>     break;
>   };
>
>   route(1);
> }
>
> route[1] {
>
>   #
> -----------------------------------------------------------------
>   # Default Message Handler
>   #
> -----------------------------------------------------------------
>   if (!t_relay()) {
>     sl_reply_error();
>   };
> }
>
> route[2] {
>
>   #
> -----------------------------------------------------------------
>   # REGISTER Message Handler
>   #
> ----------------------------------------------------------------
>   sl_send_reply("100", "Trying");
>
>   if (!www_authorize("","subscriber")) {
>     www_challenge("","1");
>     break;
>   };
>
>   if (!check_to()) {
>     sl_send_reply("401", "Unauthorized");
>     break;
>   };
>
>   consume_credentials();
>
>   if (!save("location")) {
>     sl_reply_error();
>   };
> }
>
> route[3] {
>   #
> -----------------------------------------------------------------
>   # INVITE Message Handler
>   #
> -----------------------------------------------------------------
>
>   if (!proxy_authorize("","subscriber")) {
>     proxy_challenge("","1");
>     break;
>   } else if (!check_from()) {
>     sl_send_reply("403", "Use From=ID");
>     break;
>   };
>
>   consume_credentials();
>
>   lookup("aliases");
>   if (uri!=myself) {
>     route(1);
>     break;
>   };
>
>   if (!lookup("location")) {
>     sl_send_reply("404", "User Not Found");
>     break;
>   };
>
>   route(1);
> }
>
>
> -------------
> please guide me how to do this.
>
> thanks
>
> arun
>
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>
>
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