[SIPForum-discussion] how often are RTP packets sent out?

resalath ahamed resalath.ahamed at gmail.com
Wed Feb 14 06:34:36 UTC 2007

Hi all,

Can any one please explain me about media inactivity timer ????

This may relate to the question of MR. Adam.


On 2/13/07, Adam Harding <adam.harding2 at ntlworld.com> wrote:
> Hi,
> Sorry if this seems a silly question!
> Are RTP packets sent out on a continous basis during a SIP call and if so
> how often? Or is it just when someone speaks?
> I know the delay calculations in ethereal shows the delay between two
> consecutive packets but how do you determine what the actually delay is
> supposed to be opposed to what it is at the recieving end?
> I am doing tests for SIP calls using ethereal. Can I just capture the RTP
> packets for my results once a session as been established but with no one
> speaking? Or does some sort of audio test data need to be generated for the
> calls?
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