[OpenSIPS-Users] SRTP to RTP

David Villasmil david.villasmil.work at gmail.com
Wed Jul 31 09:12:50 EDT 2019


Hello,

You need to do this for every leg of the call. This means:

Call from SRTP client TO non-SRTP:
Remove the ICE, etc.

When the REPLY with the 200 SDP comes back FROM the non-SRTP, you need to
ADD ICE, etc.

Hope that makes sense

David

On Wed, 31 Jul 2019 at 14:03, Dragomir Haralambiev <goup2010 at gmail.com>
wrote:

> Hi,
> When change the answer flag to
>
> $var(rtpengine_flags) = " RTP/SAVP  rtcp-mux-offer ICE=force";
>  rtpengine_answer("$var(rtpengine_flags)");
>
> Call is connected but UAC1 not send and receive voices.
>
> Regards,
>
> Dragomir
>
> На ср, 31.07.2019 г. в 15:53 ч. Sasmita Panda <spanda at 3clogic.com> написа:
>
>> Hi Dragomir,
>>
>> I had mentioned to modify this according to your requirement .   If your
>> phone only support RTP/SAVP then change the flag what I have mentioned
>> while answering .
>>
>>
>> *Thanks & Regards*
>> *Sasmita Panda*
>> *Senior Network Testing and Software Engineer*
>> *3CLogic , ph:07827611765*
>>
>>
>> On Wed, Jul 31, 2019 at 6:17 PM Johan De Clercq <Johan at democon.be> wrote:
>>
>>> Use rtp/savp
>>>
>>> On Wed, 31 Jul 2019, 14:40 Dragomir Haralambiev, <goup2010 at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> Thanks for your replay, but this not working.
>>>>
>>>> UAC1 receive 183 session progress with:
>>>> receive audio 50106 UDP/TLS/RTP/SAVP 0 8 18 101
>>>>
>>>> UAC1   send to Opensips CANCEL.
>>>>
>>>> I make test with MicroSips latest version.
>>>>
>>>> Best regards,
>>>> Dragomir
>>>>
>>>> На ср, 31.07.2019 г. в 15:04 ч. Sasmita Panda <spanda at 3clogic.com>
>>>> написа:
>>>>
>>>>> Hi ,
>>>>>
>>>>> You have to do something like below  wherever you are calling
>>>>> rtpengine_offer/rtpengine_answer.
>>>>>
>>>>> $var(rtpengine_flags) = "RTP/AVP replace-session-connection
>>>>> replace-origin ICE=remove";
>>>>>  rtpengine_offer("$var(rtpengine_flags)");
>>>>>
>>>>> $var(rtpengine_flags) = "UDP/TLS/RTP/SAVP rtcp-mux-offer ICE=force";
>>>>>  rtpengine_answer("$var(rtpengine_flags)");
>>>>>
>>>>> You can modify this according to your requirement .
>>>>>
>>>>>
>>>>> *Thanks & Regards*
>>>>> *Sasmita Panda*
>>>>> *Senior Network Testing and Software Engineer*
>>>>> *3CLogic , ph:07827611765*
>>>>>
>>>>>
>>>>> On Wed, Jul 31, 2019 at 5:16 PM Dragomir Haralambiev <
>>>>> goup2010 at gmail.com> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I have 2 applications connected to Opensips+rtpengine:
>>>>>> UAC1 -use encryption always. SRTP (RTP/SAVP)
>>>>>> UAC2 - never use encryption  . RTP (RTP/AVP)
>>>>>>
>>>>>> How to setup Opensips to make follow call:
>>>>>> UAC1 SRTP -----> Opensips+rtpengine -------> UAC2 RTP
>>>>>>
>>>>>> Thanks,
>>>>>> Dragomir
>>>>>> _______________________________________________
>>>>>> Users mailing list
>>>>>> Users at lists.opensips.org
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>>>>>>
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-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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