[OpenSIPS-Users] Trouble SDP o-line

[Julian Santer]

Hi Bogdan,

as we migrate to 1.8.x and make it redundant, I can take a look at the 
rtpproxy. Would you suggest me to use rtpproxy instead of mediaproxy?

Best Regards,
Julian

Am 22.07.2013 15:58, schrieb Bogdan-Andrei Iancu:
> Hi Julian,
>
> Not sure about Mediaproxy, but rtpproxy module (using rtpproxy as relay)
> can change the "o" line also (explicitly).
>
> Best regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
>
> On 07/22/2013 04:09 PM, Julian Santer wrote:
>> Hi,
>>
>> we are using OpenSips 1.6.4 (starting with the migration to 1.8.x)
>> with nat_traversal module and Mediaproxy 2.5.2.
>> The Media at the moment will be relayed over the Mediaproxy only if it
>> is necessary.
>>
>> For the routing to PSTN we have two carriers.
>> One of them ignores the o-line in SDP the other not.
>>
>> So we got problems with one of the carrier, when in the o-line is a
>> private or invalid IP and also if the o-line is not the same as the
>> c-line
>>
>> Example:
>>
>> OK:
>>      v=0
>>      o=root 2142162444 2142162444 IN IP4 $PUBLIC_IP
>>      s=call
>>      c=IN IP4 $PUBLIC_IP
>>
>> KO:
>>      v=0
>>      o=user 15997790 15997790 IN IP4 $PRIVATE_IP
>>      s=call
>>      c=IN IP4 $PUBLIC_IP
>>
>> But also if we relay over our Mediaproxy, only the c-line will be
>> changed.
>>
>> KO:
>>      v=0
>>      o=- 46755 32066 IN IP4 $INVALID_IP
>>      s=bjoraow
>>      c=IN IP4 $MEDIAPROXY_IP
>>
>> Have I any possiblity to inject the o-line or shouldn't I do that?
>> Will the change of the o-line break the signalization?
>> Should the carrier ignore the IP in the o-line?
>>
>> Thank you for any help.
>>
>> Best Regards,
>>
>> Julian
>>
>>
>>
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>