[SR-Users] Problem with rtpproxy and rtpproxy_manage()

[aft]

On Wed, May 7, 2014 at 2:50 PM, Daniel-Constantin Mierla
<miconda at gmail.com> wrote:
> Hello,
>
> you should provide a ngrep output of such call (incoming invite to the
> forwarded ack for 200ok), we can check the sdp.
>

I will capture such a call and post it as soon as possible

> On the other hand, I didn't have good experiences with rtpproxy application
> from git head, can you try with 1.2.1?

Well the same thing happens with 1.2.1 also. Reasons for using the
git-head is to see whether the problem went away.
>
> Cheers,
> Daniel
>
>
> On 07/05/14 08:34, aft wrote:
>>
>> Hi,
>>
>> I'm using kamailio from latest git-HEAD. The rtpproxy i'm using also
>> from latest git.
>>
>> Our network topology is following :
>>
>> sip-softphone--------->kamailio/rtpproxy-------->softswitch---->gateway
>>
>> Because of saving bandwidth we need to use the "re-packetization"
>> feature of rtpproxy.
>>
>> When we don't use it, it works perfectly without any glitches.
>>
>> Now if we use the repacketization feature like following :
>>
>>   if (is_request()) {
>>                  rtpproxy_manage("co");
>>          }
>>          if (is_reply()) {
>>                  rtpproxy_manage("z80");
>>          }
>>
>> Then a bizzare thing happens. Suddenly rtp packets from gateway stops
>> coming. So we don't have any voice in softphone, although everything
>> seems ok at the "mobile phone's end."
>>
>> This is bizzare at multiple levels, as you can see we are using
>> repacketize feature to increase the payload size from "proxy to
>> softphone" leg. So we actually don't touch the packets from "softphone
>> to proxy" leg. So how the gateway predicts this and decides not to
>> send packets is beyond my understanding.
>>
>> As far as i can understand, rtpproxy_manage() is doing something to
>> SDP which makes it impossible to send packets through the proxy.
>>
>> I will provide further information if anybody wants to look at it.
>>
>> Thanks in advance.
>>
>>
>>
>>
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
>
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-- 
-Cheers
-Arif