Hello, We have a problem where Asterisk is resetting the CSeq on a re-INVITE, and the phone receiving the re-INVITE is rejecting it, probably as a result of that. Would anyone be able to offer any insight please?
The scenario is: Phone A makes call 1 to Asterisk which dials call 2 to phone B, which answers the call. Phone B puts call 1 on hold, makes call 3 to Asterisk which dials call 4 to phone C, which answers the call. Phone B does an attended REFER transfer of call 2 to call 3, taking itself out of the call. Asterisk bridges the remaining calls, so phones A and C are now talking to each other. Asterisk sends a re-INVITE to phone A with a P-Asserted-Identity, to tell phone A the updated details of phone C that it's talking to. However phone A rejects the re-INVITE with a "404 Not found" error. The only explanation I can see for the "404 Not found" error is that call 1 was set up with "CSeq: 954698786 INVITE", whereas the re-INVITE Asterisk sends with the P-Asserted-Identity has "CSeq: 102 INVITE". Why is Asterisk resetting the CSeq on the re-INVITE, and doesn't this appear to be incorrect? Thanks in advance for any help. -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782
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