[SR-Users] Cancel issue
Carl Wagner
carl.wagner at verbalworld.com
Thu May 26 16:36:27 CEST 2011
I believe you are right. I think I have found the issue in the Asterisk
code.
Thanks!
Carl
On 05/25/2011 01:01 PM, Iñaki Baz Castillo wrote:
> 2011/5/25 Carl Wagner<carl.wagner at verbalworld.com>:
>> I am sorry, you are right. I was looking at rfc3665 Page 71, F10 and it
>> did not have a To: tag in the 200 OK to the cancel.
>> (I know that rfc3665 is just examples, and when in doubt I should use
>> rfc3261)
>>
>> The last paragraph of rfc3261, section 9.2 says to use section 8.2.6 to
>> construct the 200 (OK).
>>
>>
>> Not sure why Asterisk is not liking the 200 Canceling.
>> Does anyone see anything wrong with the Cancel or the 200 Canceling in the
>> log below?
> Because Asterisk is buggy and expects (wrongly) that the Totag of the
> CANCEL must match the Totag of a previously received 1XX response.
> This is of course a wrong assumption as there could be diferent 1XX
> responses with different Totag (when forking).
>
> I remember that it just occurs if you set Asterisk sip.conf with
> pendantic-mode enabled.
>
> Asterisk is buggy.
>
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