[OpenSIPS-Users] engage_rtp_proxy()

Miha miha at softnet.si
Tue May 31 15:22:37 CEST 2016


@Max, yes I am sure. Did some traces...

That is way I asked what I could be doing wrong. I read that there is an 
issue doing it with rtpproxy in bridge, but in my case it is not in bridge.


tnx

miha


On 31/05/2016 15:02, Max Mühlbronner wrote:
> Hi,
>
>
> @Miha: Are you sure that it does not automatically set the rtpproxies 
> for 200OK & ACK?
>
> @Sasmita: According to the documentation it is not necessary to invoke 
> engage_rtp_proxy() for replies as this is handled by the dialog module.
>
>
> "Function must only be called for the initial INVITE and internally 
> takes care of rewriting the body of 200 OKs and ACKs. "
>
>
>
> Best Regards
>
> Max M.
>
>
> On 31.05.2016 14:42, Miha wrote:
>> @Sasmita, totally clear :)
>>
>> I asked wrong question :)
>>
>>
>> What is the difference between using engage_rtp_proxy() or using 
>> rtpproxy_offer(), rtpproxy_answer()?
>>
>>
>> tnx
>>
>> miha
>>
>>
>> On 31/05/2016 14:39, Sasmita Panda wrote:
>>>         If you are using in INVITE , then it should be offer . 
>>> Because firstly we are offering media to someone . If its 200 Ok 
>>> then it will be answer because the 2nd party is answering the call .
>>>
>>>       If there is no sdp in INVITE but in ACK , then it will get 
>>> reversed . In 200 OK you should offer and in ACK you have to answer .
>>> This can be done in loop .
>>>
>>>      I hope I make you understand .
>>>
>>> */Thanks & Regards/*
>>> /Sasmita Panda/
>>> /Network Testing and Software Engineer/
>>> /3CLogic , ph:07827611765/
>>>
>>> On Tue, May 31, 2016 at 6:02 PM, Miha <miha at softnet.si 
>>> <mailto:miha at softnet.si>> wrote:
>>>
>>>     ok tnx. I understand documentation on wrong way.
>>>
>>>     But then, what is the difference with  using rtpproxy offer, 
>>> answer ?
>>>
>>>
>>>     br
>>>
>>>     mia
>>>
>>>
>>>     On 31/05/2016 14:17, Sasmita Panda wrote:
>>>>     If there is sdp in ACK and u wanted to engage rtp proxy , the
>>>>      you have to write it inside ACK also ... By writing for INVITE
>>>>     cant help you to update ACK also . For 200 OK , you must write it
>>>>     in reply route .
>>>>
>>>>     */Thanks & Regards/*
>>>>     /Sasmita Panda/
>>>>     /Network Testing and Software Engineer/
>>>>     /3CLogic , ph:07827611765/
>>>>
>>>>     On Tue, May 31, 2016 at 5:35 PM, Johan De Clercq
>>>>     <johan at democon.be <mailto:johan at democon.be>> wrote:
>>>>
>>>>         put it also in reply route.
>>>>
>>>>         2016-05-31 13:42 GMT+02:00 Miha <miha at softnet.si
>>>> <mailto:miha at softnet.si>>:
>>>>
>>>>             HI
>>>>
>>>>             if I use engage_rtp_proxy(), I can use it only on initial
>>>>             INVITE and opensips should automatically rewritten also
>>>>             200 OK and ACK with SDP, right?
>>>>             But when I am using this function, I can see from trace
>>>>             that only SDP for initial invite is rewritten, 200 ok
>>>>             with sdp is not changed. Must I do something else?
>>>>
>>>>             Rtpproxy is not running in bridge mode.
>>>>
>>>>
>>>>             tnx
>>>>             miha
>>>>
>>>>
>>>>
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