[asterisk-dev] [svn-commits] mmichelson: branch 1.8 r368625 - /branches/1.8/channels/chan_sip.c

[Walter Doekes]

>> To fix the first problem, we zero out the to-tag seen in the incoming
>> INVITE. This way, Asterisk, when time to send a response, will send
>> its generated local tag instead.
> Which means that the sender of the SIP request can't match your response to the request. The to-tag is an important part
> of the dialog-matching and you can't change it like that.
>
> Did you test this with a number of devices?

Very valid concern indeed. I was just writing the same thing on the bug 
report.

This changeset does fix the problem with the sipp scenario from r1918, 
but that's not a valid test at all.

Regards,
Walter

https://code.asterisk.org/code/changelog/asterisk?cs=368625
https://issues.asterisk.org/jira/browse/ASTERISK-19892