SIP SIMPLE Client SDK

= Issues =

1. 404 when supported eventlist header is present
 1. msrprelay connection reuse
 1. voicemail divert for audio calls only
 1. RTP mixing when multiple 183
 1. Close session when stream fail
 1. sent re-invite got OK but sdp is broken

{{{
INVITE sip:h1.rvtk.sipit.net SIP/2.0
Via: SIP/2.0/UDP 132.177.254.214:64941;rport;branch=z9hG4bKPjpMYPMyuOwoCntJiNSjLlME5E8BHTZao1
Max-Forwards: 70
From: "Adrian G." <sip:adi@umts.ro>;tag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID
To: <sip:2233376787@sip2sip.info>;tag=297f640-7cfdb184-13c4-55014-7a21-5a7d6482-7a21
Contact: <sip:cutnhwgl@132.177.254.214:64941>
Call-ID: w9Z19pwFsp1tTfTWFE6b.yaNK3r.TXvh
CSeq: 27600 INVITE
Route: <sip:81.23.228.129;lr;ftag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID;did=773.ab101a94>
Route: <sip:81.23.228.150;lr;ftag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID;did=773.3e73bda3>
Route: <sip:81.23.228.129;lr;ftag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID;did=773.bb101a94>
Route: <sip:85.17.186.7;lr;ftag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID;did=773.bc219d6>
Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE
Supported: 100rel
User-Agent: blink-0.9.0
Content-Type: application/sdp
Content-Length: 1094

v=0
o=- 3462028381 3462028382 IN IP4 132.177.254.214
s=blink-0.9.0
c=IN IP4 132.177.254.214
t=0 0
m=message 2855 TCP/TLS/MSRP
a=path:msrps://132.177.254.214:2855/5ea28151a2715590e2d6;tcp
a=accept-types:message/cpim text/
a=accept-wrapped-types:*
m=audio 64970 RTP/AVP 104 103 102 3 9 0 8 101
a=rtcp:64971 IN IP4 132.177.254.214
a=rtpmap:104 speex/32000
a=rtpmap:103 speex/16000
a=rtpmap:102 speex/8000
a=rtpmap:3 GSM/8000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:NuN1r6fPItiXpOMh5GHWf6FsrvrEo6AQca3/N/dE
a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:y7YegS/4Enrsr/PTKa+RHBk0U7cRBM5SvDBA0gqq
a=ice-ufrag:7b50c942
a=ice-pwd:74cd4b4d
a=candidate:H 1 UDP 39 132.177.254.214 64970 typ host
a=candidate:H 1 UDP 39 10.211.55.2 64970 typ host
a=candidate:H 1 UDP 39 10.37.129.2 64970 typ host
a=candidate:H 2 UDP 38 132.177.254.214 64971 typ host
a=candidate:H 2 UDP 38 10.211.55.2 64971 typ host
a=candidate:H 2 UDP 38 10.37.129.2 64971 typ host
a=sendrecv

RECEIVED: Packet 16, +0:02:18.956294
2009-09-15 14:35:09.869635: 81.23.228.129:5060 (SIP over UDP)> 132.177.254.214:64941
SIP/2.0 100 Giving a try
Via: SIP/2.0/UDP 132.177.254.214:64941;rport=64941;branch=z9hG4bKPjpMYPMyuOwoCntJiNSjLlME5E8BHTZao1
From: "Adrian G." <sip:adi@umts.ro>;tag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID
To: <sip:2233376787@sip2sip.info>;tag=297f640-7cfdb184-13c4-55014-7a21-5a7d6482-7a21
Call-ID: w9Z19pwFsp1tTfTWFE6b.yaNK3r.TXvh
CSeq: 27600 INVITE
Server: SIP Thor on OpenSIPS XS 1.4.5
Content-Length: 0

RECEIVED: Packet 17, +0:02:18.956524
2009-09-15 14:35:09.869865: 81.23.228.129:5060 (SIP over UDP)> 132.177.254.214:64941
SIP/2.0 180 Ringing
From: "Adrian G."<sip:adi@umts.ro>;tag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID
To: <sip:2233376787@sip2sip.info>;tag=297f640-7cfdb184-13c4-55014-7a21-5a7d6482-7a21
Call-ID: w9Z19pwFsp1tTfTWFE6b.yaNK3r.TXvh
CSeq: 27600 INVITE
Via: SIP/2.0/UDP 132.177.254.214:64941;received=132.177.254.214;rport=64941;branch=z9hG4bKPjpMYPMyuOwoCntJiNSjLlME5E8BHTZao1
Supported: timer,replaces,100rel,sec-agree
Contact: <sip:h1.rvtk.sipit.net>
Content-Length: 0

RECEIVED: Packet 18, +0:02:19.071745
2009-09-15 14:35:09.985086: 81.23.228.129:5060 (SIP over UDP)> 132.177.254.214:64941
SIP/2.0 180 Ringing
From: "Adrian G."<sip:adi@umts.ro>;tag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID
To: <sip:2233376787@sip2sip.info>;tag=297f640-7cfdb184-13c4-55014-7a21-5a7d6482-7a21
Call-ID: w9Z19pwFsp1tTfTWFE6b.yaNK3r.TXvh
CSeq: 27600 INVITE
Via: SIP/2.0/UDP 132.177.254.214:64941;received=132.177.254.214;rport=64941;branch=z9hG4bKPjpMYPMyuOwoCntJiNSjLlME5E8BHTZao1
Supported: timer,replaces,100rel,sec-agree
Contact: <sip:h1.rvtk.sipit.net>
Content-Length: 0

RECEIVED: Packet 19, +0:02:32.064486
2009-09-15 14:35:22.977827: 81.23.228.129:5060 (SIP over UDP)> 132.177.254.214:64941
SIP/2.0 200 OK
From: "Adrian G."<sip:adi@umts.ro>;tag=IhVjUULt6MIHRqqZRj.Hpdk4hWobt5ID
To: <sip:2233376787@sip2sip.info>;tag=297f640-7cfdb184-13c4-55014-7a21-5a7d6482-7a21
Call-ID: w9Z19pwFsp1tTfTWFE6b.yaNK3r.TXvh
CSeq: 27600 INVITE
Via: SIP/2.0/UDP 132.177.254.214:64941;received=132.177.254.214;rport=64941;branch=z9hG4bKPjpMYPMyuOwoCntJiNSjLlME5E8BHTZao1
Supported: timer,replaces,100rel,sec-agree
Contact: <sip:h1.rvtk.sipit.net>
Content-Type: application/sdp
Content-Length: 141

v=0
o=rv-msrp-test 42089864 42091200 IN IP4 132.177.253.124
s=SDP MSRP SESSIONS
c=IN IP4 132.177.253.124
t=0 0
m=message 2857 TCP/TLS/MSRP *
}}}