Payload size change

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There is one more point. I was reading APS documentation, they sayg729 data is sampled for 10 ms. If we increase RTP payload does that mean g729 output should also be 20 ms ? or RTP payload can be increased with existing settings only.

 

cheer,

 

Lucas
 


From: lucas_mvoip@xxxxxxxxxxx
To: pjsip at lists.pjsip.org
Date: Sun, 27 Sep 2009 09:15:32 +0100
Subject: Re: Payload size change



Yes that is what i want to try. Two payloads in one RTP. Theoritically we can two three 4 any amount of payload in one RTP packet right?
In the Invite i see one SDP parameter ptime:20. Is this the way it can tell other endpoint about payload or it sends. or it is done using frame header of g729?
 
 


Date: Sun, 27 Sep 2009 07:40:00 +0200
From: tal.fromm@xxxxxxxxx
To: pjsip at lists.pjsip.org
Subject: Re: Payload size change


If I understand your question you want to get 2 payload packets sent in one RTP. 
You can do that with setting ptime=40.
The problem is that as far as I saw pjsip doesn't send this info to the other side, and it the other side is not set to the same packet size you won't hear good.


On Sat, Sep 26, 2009 at 5:52 PM, Manoj Joshi <manoj at ascenttelecom.com> wrote:



Any comment?




-----Original Message-----
From: pjsip-bounces@xxxxxxxxxxxxxxx [mailto:pjsip-bounces at lists.pjsip.org]On Behalf Of Lucas Tehbing
Sent: Saturday, September 26, 2009 3:21 AM
To: pjsip at lists.pjsip.org
Subject: Re: Payload size change

Hello,
 
I am testing pjsip symbian APS-Direct. I want to change RTP Payload size when using Passthrough g729 from 20 to 40. Where would i do this change? or is it possible to do such change?
 
cheers,
 
Lucas



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