[OpenSER-Users] record_route() for responses

[Jiri Kuthan]

At 23:51 18/11/2007, Robert Dyck wrote:
>On Sunday 18 November 2007, Juha Heinanen wrote:
>> Jiri Kuthan writes:
>>  > just wondering if you can refer me to some common-sense sip ua?
>>  > (I agree with your point, I'm just painfuly anaware of such a ua.)
>>
>> jiri,
>>
>> try twiinkle.
>>
>> -- juha
>
>Speaking of Twinkle, that is the UA I was referring to in my previous post on 
>this thread. During a re-INVITE it does not return an Record-Route list with 
>its 200 OK. This does not violate the spec 

Let me defend Twinkle here -- it not only does not violate the spec, it follows
it. in-dialog messages are not supposed to change route set.

>but it causes inter-working 
>problems with asterisk because asterisk appears to create an empty route set 
>and the ACK will not find its way. I had a brief Email exchange with the 
>author of Twinkle. He was reluctant to implement a work around to fix a 
>problem with another UA. Other UA's that I have encountered send an RR list 
>with the 200 OK during re-INVITE.

Well -- I think you should have had first a conversation with asterisk developers.

-jiri


>Rob
>
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--
Jiri Kuthan            http://iptel.org/~jiri/