[SR-Users] CANCEL with Totag

[Iñaki Baz Castillo]

2010/12/1 Mikko Lehto <mikko.lehto at setera.fi>:
> Hi Iñaki
>
> We tried to reproduce the Samsung behavior you recently described.
> My observation is that the CANCEL, which was generated after the received
> provisional response (183 with SDP), has no To tag nor SDP body.
>
> According to local Samsung representative, the tested model and version is
> OfficeServ 7100 4.48e and same software is used also in models 7000,
> 7030, 7200 and 7400.
>
> Do you have similar device? Any other hints how we could reproduce this?
>
> I am asking this because we want to avoid the workaround you kindly
> reported and it looks like the vendor is able to fix reported issues.
> At least during the initial tests before green light for deployment ;)


I've asked the client about model and version of his Samsung. I'll
tell it to you when I get it.

This is a CANCEL generated by such PBX:


CANCEL sip:XXX533633 at XXX.XXX.32.177:6060 SIP/2.0'
From: <sip:XXX050402 at XXX.XXX.32.177:5060>;tag=c0a80165-13c4-80eae-1f79584b-57c22399'
To: <sip:XXX533633 at XXX.XXX.32.177:6060>;tag=3d69a021-co3158-INS001'
Call-ID: eae804-c0a80165-13c4-80eae-1f79584a-6f05d2e3 at 212.230.32.177'
CSeq: 1 CANCEL'
Via: SIP/2.0/UDP 192.168.1.101:5060;branch=z9hG4bK-80eae-1f79584c-65d7f65e'
Max-Forwards: 70'
Supported: 100rel,replaces'
Content-Type: application/SDP'
Content-Length: 244'
'
v=0'
o=- 1030332449 1030332449 IN IP4 XXX.XXX.5.228'
s=ENSResip'
c=IN IP4 XXX.XXX.32.178'
t=0 0'
m=audio 31274 RTP/AVP 8 101'
a=fmtp:101 0-11'
a=ptime:20'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=sendrecv'
a=nortpproxy:yes'


The SDP is the same as the received by the PBX in the 183.

-- 
Iñaki Baz Castillo
<ibc at aliax.net>