I had the same experiences with Windows Messenger 5.1. I think there is no way tol solve this. Maybe it works setting up an instant message session using INVITE-MESSAGE-BYE.

regards, klaus

Steven Wang wrote:

-----Original Message----- From: xwang@comcast.net [mailto:xu.wang@comcast.net] Sent: Friday, December 31, 2004 12:46 PM To: serusers@lists.iptel.org Subject: How does Instant Message work?

Hello

I used 'SER' to send a IM to Messenger. SER gets '200 OK' reply, but messenger doesn't show anything. Here is the ngrep's output. Does anyone know what the probem is?

thanks! steven

U 192.168.1.104:5060 -> 192.168.1.103:4139 MESSAGE sip:192.168.1.103:4139 SIP/2.0..Max-Forwards: 10..Record-Route : sip:192.168.1.104;ftag=a707bfce77c9367d1734afac7b3de6ca-e9b8;lr=on ..Via: SIP/2.0/UDP 192.168.1.104;branch=z9hG4bK7881.af588177.0..Via: S IP/2.0/UDP 192.168.1.104;rport=5060;branch=z9hG4bK7881.9f588177.0..To: sip:8668150718@192.168.1.104..From: sip:8016102@192.168.1.104;tag=a 707bfce77c9367d1734afac7b3de6ca-e9b8..CSeq: 10 MESSAGE..Call-ID: 6ddff bfe-0@192.168.1.104..Content-Length: 7..User-Agent: Sip EXpress router (0.10.99-dev0 (i386/linux))..p-version: Astbill-xwang-0.5..Contact: <s ip:admin@192.168.1.104:5060>..Content-Type: text/plain; charset=UTF-8. .P-hint: fixed NAT contact for request....hello.. # U 192.168.1.103:4139 -> 192.168.1.104:5060 SIP/2.0 100 Trying..Via: SIP/2.0/UDP 192.168.1.104;branch=z9hG4bK7881. af588177.0..Via: SIP/2.0/UDP 192.168.1.104;rport=5060;branch=z9hG4bK78 81.9f588177.0..From: sip:8016102@192.168.1.104;tag=a707bfce77c9367d173 4afac7b3de6ca-e9b8..To: sip:8668150718@192.168.1.104;tag=a4f9c9853ee 54a9783c18ffd41692d06..Call-ID: 6ddffbfe-0@192.168.1.104..CSeq: 10 MES SAGE..User-Agent: RTC/1.2..Content-Length: 0.... # U 192.168.1.103:4139 -> 192.168.1.104:5060 SIP/2.0 200 OK..Via: SIP/2.0/UDP 192.168.1.104;branch=z9hG4bK7881.af58 8177.0..Via: SIP/2.0/UDP 192.168.1.104;rport=5060;branch=z9hG4bK7881.9 f588177.0..From: sip:8016102@192.168.1.104;tag=a707bfce77c9367d1734afa c7b3de6ca-e9b8..To: sip:8668150718@192.168.1.104;tag=a4f9c9853ee54a9 783c18ffd41692d06..Call-ID: 6ddffbfe-0@192.168.1.104..CSeq: 10 MESSAGE ..Record-Route: <sip:192.168.1.104;ftag=a707bfce77c9367d1734afac7b3de6 ca-e9b8;lr=on>..Contact: sip:192.168.1.103:7110..User-Agent: RTC/1.2 ..Content-Length: 0.... # U 192.168.1.103:4139 -> 192.168.1.104:5060 BYE sip:192.168.1.104;ftag=a707bfce77c9367d1734afac7b3de6ca-e9b8;lr=on SIP/2.0..Via: SIP/2.0/UDP 192.168.1.103:7110..Max-Forwards: 70..From: sip:8668150718@192.168.1.104;tag=a4f9c9853ee54a9783c18ffd41692d06.. To: sip:8016102@192.168.1.104;tag=a707bfce77c9367d1734afac7b3de6ca-e9b 8..Call-ID: 6ddffbfe-0@192.168.1.104..CSeq: 1 BYE..Route: <sip:admin@1 92.168.1.104:5060>..User-Agent: RTC/1.2..Content-Length: 0.... # U 192.168.1.104:5060 -> 192.168.1.103:7110 SIP/2.0 404 Not Found and no voicemail turned on..Via: SIP/2.0/UDP 192 .168.1.103:7110..From: sip:8668150718@192.168.1.104;tag=a4f9c9853ee5 4a9783c18ffd41692d06..To: sip:8016102@192.168.1.104;tag=a707bfce77c936 7d1734afac7b3de6ca-e9b8..Call-ID: 6ddffbfe-0@192.168.1.104..CSeq: 1 BY E..Server: Sip EXpress router (0.10.99-dev0 (i386/linux))..Content-Len gth: 0....

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