[OpenSIPS-Users] [Fwd: Openser with Audiocodes]

[Bogdan-Andrei Iancu]

Hi Stefano,

Try to check out the IP addresses in SDP (INVITE + 200OK) to see if the 
RTP is correctly routed (via mediaproxy).

Regards,
Bogdan


Stefano Palleschi wrote:
> Hi Bogdan,
> thanks for your reply.
>
> Yes, with Asterisk I use mediaproxy also, and when UA is behind nat 
> the rtp packets flow through Openser (obviously).
> The only one difference between two scenarios is that when using 
> Asterisk the MGC there isn't.
> With Asterisk I have only one server (Asterisk) that allow SIP 
> signaling and termination.
> In Audiocodes scenario I have two servers interested, MGC for SIP 
> signaling and Audiocodes Mediant 3000 for termination.
> In my openser.cfg I have only changed  the Asterisk IP address with 
> the MGC IP address in the rewritehostport() function.
> Do I have to add anything else? ... I think not!
>
> Regards,
> Stefano.
>
>
>
> Bogdan-Andrei Iancu ha scritto:
>> Hi Stefano,
>>
>> When using Asterisk, do you also use mediaproxy? If no, maybe 
>> Asterisk is automatically doing COMEDIA (direction=active in SDP) and 
>> the Audiocodes  not.
>>
>> Regards,
>> Bogdan
>>
>>
>>
>> Stefano Palleschi wrote:
>>> Hi all,
>>> I'm trying to use openser with Audiocodes 3000 as pstn gateway.
>>> This is my scenario:
>>>
>>> UA----------->  openser-------> MGC-------->Audiocodes-------> PSTN.
>>>
>>> When I use Asterisk as PSTN gateway I haven't  any problem for rtp 
>>> traffic, even when UA is behind nat.
>>> Using Audiocodes I noticed that the rtp traffic doesn't flow from 
>>> Audiocodes to Openser (or viceversa), but the rtp flow  bypasses 
>>> openser.
>>> This cause problems when UA is behind nat because mediaproxy doesn't 
>>> fix nat.
>>> All my outbound calls are redirect to MGC, and in my route section 
>>> the Audiocodes's IP address doesn't compare.
>>> My questions are:
>>> is this an Audiocodes problem? .... or I can adjust openser 
>>> configuration for fix that?
>>>
>>> Thanks for your attention.
>>> Regards,
>>> Stefano.
>>>
>>>
>>>
>>>
>>>
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>>>
>>>   
>>
>>
>>
>
>