if i use -mp flag, it runs well, and my system is linux.
But I want to use more port with many client, accordingly I want to
configure port media from cvs file.


On Fri, Aug 13, 2010 at 6:26 PM, David White <david.wh...@watchguard.com> wrote:
>
> did you try using the '-mp' flag?     also, what system are you running on?
> linux? windows?
>
> -----Original Message-----
> From: tran quoc tuan [mailto:tuant...@gmail.com]
> Sent: Fri 8/13/2010 2:39 AM
> To: sipp-users@lists.sourceforge.net
> Subject: [Sipp-users] Question about media port in SDP INVITE
>
> Hi all,
> I use Sipp as client to test my system. Sipp has a function to
> transfer data media as audio and video.
> Next I type SDP as following :
>
> v=0
> o=- 3487063231 3487063231 IN IP[local_ip_type] [local_ip]
> s=SJphone
> c=IN IP[media_ip_type] [media_ip]
> t=0 0
> a=direction:active
> m=audio [fileld4] RTP/AVP 0 8
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=sendrecv
>
> with field4 = 10000 , the Sipp send media from port 0 and I use
> Wireshare to capture the packet INVITE, in message INVITE,  SDP has
> port 10000
>
> if I replace [field4] par [auto_media_port] Sipp chooses automatically
> a port as port 6000. And the scenario runs well.
> But I have tried to replace [field4] par fixed port 6000 .... Sipp
> send media from port 0.
> I think that Sipp has error in sending media with fixed port.
>
> Is this a bug of Sip ?
>
> Best regards,
> T.Q.Tuan
>
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>

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