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<p class=MsoNormal>Hi, <br>
<br>
I have a weird issue with calling from the Cisco Call Manager 4.0 over a SIP
trunk to a Cisco 7040 with SIP firmware. <br>
Weird is that I can create a call if I dial a Call Manager extension from that
SIP 7940 and it works without problems, <br>
but if I dial from a Call Manager the extension of the SIP 7940 then the Call
Manager sends out an INVITE, then accepts the RINGING, but then after a call is
accepted on a 7940, CCM just ignores the "SIP/2.0 200 OK" messages
generated by the 7940. <br>
If I replace the Cisco SIP 7940 with some SIP softphone then it works in both
ways. <br>
<br>
I attached a dump of SIP messages between a 3rd party SIP server and Call
Manager. <br>
The Cisco 7940 with a SIP firmware is registered to a 3rd party SIP Server. <br>
7940 is running on P0S3-08-2-00. <br>
<br>
Any ideas? <br>
BTW: If I dial that SIP phone from a Cisco 3745 voice gateway then it works. <br>
<br>
Thank you.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>All the best,<o:p></o:p></p>
<p class=MsoNormal> Jozef Janitor<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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