Yes, Ben you are right. Asterisk is a B2BUA. When the call passes
through the ingress and egress sip call ids are different. By using
$SIPCALLID I can easily get the sip call id that User A sends. The
question is how to "accessing SIP callid of the INVITE sent to User B"?
By senting Manager interface channel query commands I can get the egress
sip call id but it is not that easy. Just want to know if there is any a
simple way to do that. Thanks a lot. Ray
Hello Steve,
I think Ray was talking more like the following setup (do correct me
if
I am wrong):
User A (SIPcallId1) ---> Asterisk (SIPcallId2) ------> User B
In this case, the INVITE SIP callId received by Asterisk from User A
is
different to that sent in the INVITE to User B.
I can get User A's callId using ${SIPCALLID}. How about accessing SIP
callid of the INVITE sent to User B??
Typical need for this, is to store both the callIds to store in the
CDRs
for debugging purposes(w.r.t. the service provider, et al).
cheerz
- Ben.
Steve Totaro wrote:
> You can capture the sipcallid from the manager output. The cool
> part is that the sipcallid is the same on both sides of a call.
> So, AsteriskA--->SIP (sipcallid)----> AsteriskB SIP (Same sipcallid
> as AsteriskA for that call.
>
> It is really easy to capture it from the manager.
>
> Thanks,
> Steve
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