26 Jan
2023
26 Jan
'23
10:32 p.m.
Hi all,
I'm doing some experimenting with kamailio -- currently looking for a replacement of
our existing (aging) SIP infrastructure.
One of the experiments that I'm doing is testing the dialog module's
dlg_set_timeout function. The issue that I'm having is while I do see that kamailio is
generating a BYE, and sends it out to the B-leg of the call properly, the BYE goes to a
private address on the A-leg.
To Note:
- kamailio is behind a NAT (on AWS)
- both UA endpoints are remote and are both behind a NAT
- Not sure if this matters, but I do have the topos module enabled, though I see the same
behavior regardless if it's enabled or not.
- Have set nathelpers (fix_nated_register, fix_nated_contact,etc...) which helps calls
between endpoints and the endpoints themselves are able to send/receive BYEs when they
generate them; however doesn't seem to help if kamailio locally generates the BYE.
The only thing I do see within my logs is when the BYE is being generated by kamailio, it
uses the private IP of my UA and not public for the caller. Callee, the public address is
referenced. If more information is needed, please let me know (just didn't want to
spam my script/ logs). Thanks.
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:158]: dlg2hash(): hashid 40484
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_fline.c:249]: parse_first_line(): first line type 1 (request) flags 1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:679]: parse_msg(): SIP Request:
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:680]: parse_msg(): method: <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:682]: parse_msg(): uri:
<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:684]: parse_msg(): version: <SIP/2.0>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Via] type
1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:1300]: parse_via_param(): Found param type 232, <branch> =
<z9hG4bK42e9.4a962087000000000000000000000000.0>; state=16
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:555]: parse_headers(): Via found, flags=2
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:557]: parse_headers(): this is the first via
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [To] type 3
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=ueisi99vbf
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:172]: get_hdr_field(): <To> [61];
uri=[sip:1000@fakedomain.com]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(44)[<sip:1000@fakedomain.com>], to tag (10)[ueisi99vbf]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [From] type
4
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [CSeq] type
5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <1> <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Call-ID]
type 6
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Content-Length] type 12
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:187]: get_hdr_field(): content_length=0
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Max-Forwards] type 8
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:91]: get_hdr_field(): found end of header
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=1132060721
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1013]: tps_request_sent(): handling outgoing request (1, 1)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:417]: tps_pack_message(): compacted headers - x_via1: [SIP/2.0/UDP <KAMAILIO
PUBLIC IP>:5060;branch=z9hG4bK42e9.4a962087000000000000000000000000.0](85) - x_via2:
[](0) - x_vbranch1: [z9hG4bK42e9.4a962087000000000000000000000000.0](46)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:539]: tps_pack_message(): compacted headers - a_rr: [](0) - b_rr: [](0) - s_rr:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:544]: tps_pack_message(): compacted headers - as_contact: [](0) - bs_contact:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1027]: tps_request_sent(): no x-uuid header - nothing to do
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/msg_translator.c:1799]: check_boundaries(): no multi-part body
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[topos_mod.c:567]: tps_msg_sent(): new outbound buffer generated
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:686]: send_prepared_request_impl(): uac: 0x7f22f94448e8 branch: 0 to
10.0.0.47:38606
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/onsend.c:50]: run_onsend(): required parameters are not available - ignoring
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:432]: send_bye(): BYE sent to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to callee
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1001@<UA PUBLIC IP>:5066>Jan 26
16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm [uac.c:158]:
dlg2hash(): hashid 40482
27 Jan
27 Jan
10:08 a.m.
Hello,
it might the reason that the dialog module store internally the private IP of one side.
Have a look to the content of the dialog data structures, e.g. with this command:
https://kamailio.org/docs/modules/5.5.x/modules/dialog.html#dlg.r.list
Maybe you notice the private IP in the contact etc..
Cheers,
Henning
--
Henning Westerholt – https://skalatan.de/blog/
Kamailio services – https://gilawa.com<https://gilawa.com/>
From: James Lipski <jameslipski(a)protonmail.com>
Sent: Thursday, January 26, 2023 9:32 PM
To: sr-users(a)lists.kamailio.org
Subject: [SR-Users] Locally generated BYE sent to private IP
Hi all,
I'm doing some experimenting with kamailio -- currently looking for a replacement of
our existing (aging) SIP infrastructure.
One of the experiments that I'm doing is testing the dialog module's
dlg_set_timeout function. The issue that I'm having is while I do see that kamailio is
generating a BYE, and sends it out to the B-leg of the call properly, the BYE goes to a
private address on the A-leg.
To Note:
- kamailio is behind a NAT (on AWS)
- both UA endpoints are remote and are both behind a NAT
- Not sure if this matters, but I do have the topos module enabled, though I see the same
behavior regardless if it's enabled or not.
- Have set nathelpers (fix_nated_register, fix_nated_contact,etc...) which helps calls
between endpoints and the endpoints themselves are able to send/receive BYEs when they
generate them; however doesn't seem to help if kamailio locally generates the BYE.
The only thing I do see within my logs is when the BYE is being generated by kamailio, it
uses the private IP of my UA and not public for the caller. Callee, the public address is
referenced. If more information is needed, please let me know (just didn't want to
spam my script/ logs). Thanks.
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:158]: dlg2hash(): hashid 40484
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_fline.c:249]: parse_first_line(): first line type 1 (request) flags 1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:679]: parse_msg(): SIP Request:
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:680]: parse_msg(): method: <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:682]: parse_msg(): uri:
<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:684]: parse_msg(): version: <SIP/2.0>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Via] type
1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:1300]: parse_via_param(): Found param type 232, <branch> =
<z9hG4bK42e9.4a962087000000000000000000000000.0>; state=16
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:555]: parse_headers(): Via found, flags=2
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:557]: parse_headers(): this is the first via
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [To] type
3
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=ueisi99vbf
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:172]: get_hdr_field(): <To> [61];
uri=[sip:1000@fakedomain.com]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(44)[<sip:1000@fakedomain.com<mailto:sip:1000@fakedomain.com>>], to tag
(10)[ueisi99vbf]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [From] type
4
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [CSeq] type
5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <1>
<BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Call-ID]
type 6
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Content-Length] type 12
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:187]: get_hdr_field(): content_length=0
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Max-Forwards] type 8
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:91]: get_hdr_field(): found end of header
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=1132060721
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1013]: tps_request_sent(): handling outgoing request (1, 1)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:417]: tps_pack_message(): compacted headers - x_via1: [SIP/2.0/UDP <KAMAILIO
PUBLIC IP>:5060;branch=z9hG4bK42e9.4a962087000000000000000000000000.0](85) - x_via2:
[](0) - x_vbranch1: [z9hG4bK42e9.4a962087000000000000000000000000.0](46)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:539]: tps_pack_message(): compacted headers - a_rr: [](0) - b_rr: [](0) - s_rr:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:544]: tps_pack_message(): compacted headers - as_contact: [](0) - bs_contact:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1027]: tps_request_sent(): no x-uuid header - nothing to do
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/msg_translator.c:1799]: check_boundaries(): no multi-part body
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[topos_mod.c:567]: tps_msg_sent(): new outbound buffer generated
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:686]: send_prepared_request_impl(): uac: 0x7f22f94448e8 branch: 0 to
10.0.0.47:38606
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/onsend.c:50]: run_onsend(): required parameters are not available - ignoring
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:432]: send_bye(): BYE sent to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to callee
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1001@<UA PUBLIC
IP<sip:1001@%3cUA%20PUBLIC%20IP>>:5066>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:158]: dlg2hash(): hashid 40482
10:40 a.m.
Hello,
fr nat traversal you have to use set_contact_alias()/handle_ruri_alias()
instead of fix_nated_contact(), the later can also cause issues with
strict UAs that they don't find their contact in incoming r-uri of
requests within dialog. See default kamailio.cfg for example.
Cheers,
Daniel
On 26.01.23 21:32, James Lipski wrote:
Hi all,
I'm doing some experimenting with kamailio -- currently looking for a
replacement of our existing (aging) SIP infrastructure.
One of the experiments that I'm doing is testing the dialog module's
dlg_set_timeout function. The issue that I'm having is while I do see
that kamailio is generating a BYE, and sends it out to the B-leg of
the call properly, the BYE goes to a private address on the A-leg.
To Note:
- kamailio is behind a NAT (on AWS)
- both UA endpoints are remote and are both behind a NAT
- Not sure if this matters, but I do have the topos module enabled,
though I see the same behavior regardless if it's enabled or not.
- Have set nathelpers (fix_nated_register, fix_nated_contact,etc...)
which helps calls between endpoints and the endpoints themselves are
able to send/receive BYEs when they generate them; however doesn't
seem to help if kamailio locally generates the BYE.
The only thing I do see within my logs is when the BYE is being
generated by kamailio, it uses the private IP of my UA and not public
for the caller. Callee, the public address is referenced. If more
information is needed, please let me know (just didn't want to spam my
script/ logs). Thanks.
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: dialog [dlg_req_within.c:399]: send_bye(): sending BYE to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: tm [uac.c:458]: t_uac_prepare():
next_hop=<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: tm [uac.c:158]: dlg2hash(): hashid 40484
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_fline.c:249]: parse_first_line():
first line type 1 (request) flags 1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:679]: parse_msg(): SIP Request:
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:680]: parse_msg(): method: <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:682]: parse_msg(): uri:
<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:684]: parse_msg(): version:
<SIP/2.0>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [Via] type 1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_via.c:1300]: parse_via_param(): Found
param type 232, <branch> =
<z9hG4bK42e9.4a962087000000000000000000000000.0>; state=16
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_via.c:2639]: parse_via(): end of
header reached, state=5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:555]: parse_headers(): Via
found, flags=2
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:557]: parse_headers(): this is
the first via
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [To] type 3
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_addr_spec.c:185]: parse_to_param():
add param: tag=ueisi99vbf
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_addr_spec.c:884]: parse_addr_spec():
end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:172]: get_hdr_field(): <To>
[61]; uri=[sip:1000@fakedomain.com]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:174]: get_hdr_field(): to body
(44)[<sip:1000@fakedomain.com>], to tag (10)[ueisi99vbf]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [From] type 4
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [CSeq] type 5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:152]: get_hdr_field(): cseq
<CSeq>: <1> <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [Call-ID] type 6
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [Content-Length] type 12
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:187]: get_hdr_field():
content_length=0
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_hname2.c:301]:
parse_sip_header_name(): parsed header name [Max-Forwards] type 8
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/msg_parser.c:91]: get_hdr_field(): found
end of header
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_addr_spec.c:185]: parse_to_param():
add param: tag=1132060721
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/parser/parse_addr_spec.c:884]: parse_addr_spec():
end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [tps_msg.c:1013]: tps_request_sent(): handling outgoing
request (1, 1)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [tps_msg.c:417]: tps_pack_message(): compacted headers -
x_via1: [SIP/2.0/UDP <KAMAILIO PUBLIC
IP>:5060;branch=z9hG4bK42e9.4a962087000000000000000000000000.0](85) -
x_via2: [](0) - x_vbranch1:
[z9hG4bK42e9.4a962087000000000000000000000000.0](46)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [tps_msg.c:539]: tps_pack_message(): compacted headers -
a_rr: [](0) - b_rr: [](0) - s_rr: [](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [tps_msg.c:544]: tps_pack_message(): compacted headers -
as_contact: [](0) - bs_contact: [](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [tps_msg.c:1027]: tps_request_sent(): no x-uuid header -
nothing to do
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/msg_translator.c:1799]: check_boundaries(): no
multi-part body
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: topos [topos_mod.c:567]: tps_msg_sent(): new outbound buffer
generated
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: tm [uac.c:686]: send_prepared_request_impl(): uac:
0x7f22f94448e8 branch: 0 to 10.0.0.47:38606
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: <core> [core/onsend.c:50]: run_onsend(): required parameters
are not available - ignoring
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: dialog [dlg_req_within.c:432]: send_bye(): BYE sent to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: dialog [dlg_req_within.c:399]: send_bye(): sending BYE to callee
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: tm [uac.c:458]: t_uac_prepare(): next_hop=<sip:1001@<UA PUBLIC
IP>:5066>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]:
DEBUG: tm [uac.c:158]: dlg2hash(): hashid 40482
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Daniel-Constantin Mierla -- www.asipto.com
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Kamailio World Conference - June 5-7, 2023 - www.kamailioworld.com
5:14 p.m.
Thank you Daniel, set_contact_alias()/handle_ruri_alias() combo did it. Cheers.
------- Original Message -------
On Friday, January 27th, 2023 at 3:40 AM, Daniel-Constantin Mierla
<miconda(a)gmail.com> wrote:
Hello,
fr nat traversal you have to use set_contact_alias()/handle_ruri_alias() instead of
fix_nated_contact(), the later can also cause issues with strict UAs that they don't
find their contact in incoming r-uri of requests within dialog. See default kamailio.cfg
for example.
Cheers,
Daniel
On 26.01.23 21:32, James Lipski wrote:
Hi all,
I'm doing some experimenting with kamailio -- currently looking for a replacement of
our existing (aging) SIP infrastructure.
One of the experiments that I'm doing is testing the dialog module's
dlg_set_timeout function. The issue that I'm having is while I do see that kamailio is
generating a BYE, and sends it out to the B-leg of the call properly, the BYE goes to a
private address on the A-leg.
To Note:
- kamailio is behind a NAT (on AWS)
- both UA endpoints are remote and are both behind a NAT
- Not sure if this matters, but I do have the topos module enabled, though I see the same
behavior regardless if it's enabled or not.
- Have set nathelpers (fix_nated_register, fix_nated_contact,etc...) which helps calls
between endpoints and the endpoints themselves are able to send/receive BYEs when they
generate them; however doesn't seem to help if kamailio locally generates the BYE.
The only thing I do see within my logs is when the BYE is being generated by kamailio, it
uses the private IP of my UA and not public for the caller. Callee, the public address is
referenced. If more information is needed, please let me know (just didn't want to
spam my script/ logs). Thanks.
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:158]: dlg2hash(): hashid 40484
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_fline.c:249]: parse_first_line(): first line type 1 (request) flags 1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:679]: parse_msg(): SIP Request:
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:680]: parse_msg(): method: <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:682]: parse_msg(): uri:
<sip:1000@10.0.0.47:38606;line=9k4wsgc9>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:684]: parse_msg(): version: <SIP/2.0>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Via] type
1
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:1300]: parse_via_param(): Found param type 232, <branch> =
<z9hG4bK42e9.4a962087000000000000000000000000.0>; state=16
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_via.c:2639]: parse_via(): end of header reached, state=5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:555]: parse_headers(): Via found, flags=2
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:557]: parse_headers(): this is the first via
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [To] type 3
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=ueisi99vbf
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:172]: get_hdr_field(): <To> [61];
uri=[sip:1000@fakedomain.com]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:174]: get_hdr_field(): to body
(44)[<sip:1000@fakedomain.com>], to tag (10)[ueisi99vbf]
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [From] type
4
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [CSeq] type
5
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:152]: get_hdr_field(): cseq <CSeq>: <1> <BYE>
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name [Call-ID]
type 6
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Content-Length] type 12
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:187]: get_hdr_field(): content_length=0
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed header name
[Max-Forwards] type 8
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/msg_parser.c:91]: get_hdr_field(): found end of header
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:185]: parse_to_param(): add param: tag=1132060721
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/parser/parse_addr_spec.c:884]: parse_addr_spec(): end of header reached, state=29
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1013]: tps_request_sent(): handling outgoing request (1, 1)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:417]: tps_pack_message(): compacted headers - x_via1: [SIP/2.0/UDP <KAMAILIO
PUBLIC IP>:5060;branch=z9hG4bK42e9.4a962087000000000000000000000000.0](85) - x_via2:
[](0) - x_vbranch1: [z9hG4bK42e9.4a962087000000000000000000000000.0](46)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:539]: tps_pack_message(): compacted headers - a_rr: [](0) - b_rr: [](0) - s_rr:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:544]: tps_pack_message(): compacted headers - as_contact: [](0) - bs_contact:
[](0)
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[tps_msg.c:1027]: tps_request_sent(): no x-uuid header - nothing to do
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/msg_translator.c:1799]: check_boundaries(): no multi-part body
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: topos
[topos_mod.c:567]: tps_msg_sent(): new outbound buffer generated
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:686]: send_prepared_request_impl(): uac: 0x7f22f94448e8 branch: 0 to
10.0.0.47:38606
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: <core>
[core/onsend.c:50]: run_onsend(): required parameters are not available - ignoring
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:432]: send_bye(): BYE sent to caller
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: dialog
[dlg_req_within.c:399]: send_bye(): sending BYE to callee
Jan 26 16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm
[uac.c:458]: t_uac_prepare(): next_hop=<sip:1001@<UA PUBLIC IP>:5066> Jan 26
16:33:29 localhost /opt/kamailio-5.6.2/sbin/kamailio[1238222]: DEBUG: tm [uac.c:158]:
dlg2hash(): hashid 40482
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Daniel-Constantin Mierla --
www.asipto.com
www.twitter.com/miconda
--
www.linkedin.com/in/miconda
Kamailio World Conference - June 5-7, 2023 -
www.kamailioworld.com
695
days inactive
696
days old
3 comments
3 participants
participants (3)
-
Daniel-Constantin Mierla -
Henning Westerholt -
James Lipski