After playing around with the new firmware (and new SER cvs snapshot 0.8.12dev-22-tcp_aliases) I'm seeing some very strange behavior from SER (ngrep trace follows):
U 1.1.19.48:1387 -> 1.1.16.55:5060 REGISTER sip:sip.test.net SIP/2.0..Via: SIP/2.0/UDP 1.1.19.48:1388..From: sip:6526@sip.test.net;user=phone;tag=50886574..T o: sip:6526@sip.test.net;user=phone..Call-ID: 4136319346@10.118.145.13..CSeq: 160 REGISTER..Contact: <sip:6526@1.1.19.48: 1388;user=phone;transport=udp>;expires=1800..User-Agent: Cisco ATA 186 v2.16.2 ata18x (030909a)..Content-Length: 0.... # U 1.1.16.55:5060 -> 1.1.19.48:1388 25017@0:1480 ...l....SIP/2.0 200 OK..Via: SIP/2.0/UDP 1.1.19.48:1388..From: sip:6526@sip.test.net;user=phone;tag=50886574..To: <sip:65 26@sip.test.net;user=phone>;tag=0596aef19d8edd571cbf9827f60616bb.97c5..Call-ID: 4136319346@10.118.145.13..CSeq: 160 REGISTER..Co ntact: sip:6526@1.1.19.48:1376;user=phone;transport=udp;q=0.00;expires=30..Contact: <sip:6526@1.1.19.48:1377;user=p hone;transport=udp>;q=0.00;expires=56..Contact: sip:6526@1.1.19.48:1378;user=phone;transport=udp;q=0.00;expires=517..Con tact: sip:6526@1.1.19.48:1379;user=phone;transport=udp;q=0.00;expires=527..Contact: <sip:6526@1.1.19.48:1380;user=p hone;transport=udp>;q=0.00;expires=652..Contact: sip:6526@1.1.19.48:1381;user=phone;transport=udp;q=0.00;expires=780..Co ntact: sip:6526@1.1.19.48:1382;user=phone;transport=udp;q=0.00;expires=911..Contact: <sip:6526@1.1.19.48:1383;user= phone;transport=udp>;q=0.00;expires=1040..Contact: sip:6526@1.1.19.48:1385;user=phone;transport=udp;q=0.00;expires=1303. .Contact: sip:6526@1.1.19.48:1386;user=phone;transport=udp;q=0.00;expires=1532..Contact: <sip:6526@1.1.19.48:1387;u ser=phone;transport=udp>;q=0.00;expires=1576..Contact: sip:6526@1.1.19.48:1388;user=phone;transport=udp;q=0.00;expires=1 800..Server: Sip EXpress router (0.8.12dev-22-tcp_aliases (i386/linux))..Content-Length: 0..Warning: 392 sip.test.net:5060 "Nois y feedback tells: pid=11260 req_src_ip=1.1.19.48 req_src_port=1387 in_uri=sip
This is repeated over and over and over again. This seems very bizzare to me. ATAs with earlier firmware don't trigger this behavior. The only thing that I can see different in the register request is the addition of the tag in the From: line:
From: sip:6526@sip.test.net;user=phone;tag=50886574
whereas the old ATA registers with:
From: sip:6526@sip.test.net;user=phone
Any clues?? Thanks!!
- Mike