There is an [auto_media_port] keyword. If you are using it in your script,
the media port is incremented for each call, avoiding SIPp to use the same
IP/port for multiple calls, which would cause an error when opening the
socket.
The use of the [auto_media_port] keyword should work no matter the
transport option you use.
On Wed, Jul 18, 2012 at 3:42 PM, Rich Fought <rmf.a...@gmail.com> wrote:
> Hello,
>
> I'm trying to use sipp to run a stress test on a SIP ALG using sipp on
> both the client and server side, with signalling and media traffic passing
> through the ALG.
>
> Here's the scenario I'm using:
>
> - Simple Call Sequence with RTP stream from client
> - RTP Echo enabled on the server side
> - UDP multi-socket mode (-t un)
> - Maximum of 10 simultaneous calls. (-l 10)
> - Media ports/interfaces specified for both client and server (-mi and -mp)
>
> i.e.
>
> Client:
> sipp -sf uac.xml -t un -l 10 -i <client ip> -mi <client ip> -mp
> <client_port> <server ip>
>
> Server:
> sipp -sf uas.xml -t un -m 1000 -l 10 -i <server ip> -mp <server_port> -mi
> <server_ip> -rtp_echo
>
> What I'm curious about is the validity of multiple simultaneous calls
> using the same media port. Is there a valid SIP scenario (say, for
> conference calling) where two separate calls would actually advertise the
> same media port?
>
> I'm thinking that uac,xml and uas.xml should be incrementing the
> media_port value with each unique call ID, since by specifying a new port
> for each call with the -t un flag I am saying that each client is unique.
>
> Thoughts?
>
> Regards,
> Rich
>
>
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