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Hi, I have a B2B
based on resiprocate-1.1 sip stack. I am facing a problem of call disconnect
because of re-invite timeout. The call flow is given below. DUM updates the remote party contact
on getting a re-invite (message 4). But DUM does not cancel/redirect any
previous request (message 1) sent by it. I believe DUM should atleast ignore any
response of re-INVITE in such case. Can someone provide inputs to how
this can be resolved?
B2BUA client-A
|
|
|
|
|
| |(1)
re-INVITE |
|---------------->| |(2)
REGISTER(new IP address)
|<----------------| |(3)
200 OK |
|---------------->| |(4)
re-INVITE (from new IP)
|<----------------| |(5)
491 Request Pending
|---------------->| |(6)
ACK |
|<----------------| |(7)
re-INVITE (retransmission to old IP of client-A)
|---------------->| |Call
disconnect due to timeout of
|
|
|re-INVITE to client-A
|
| Regards, Mayur Ninama, Sr Software Engg. Varaha Systems |