[Serusers] Xlite not working with SER+SEMS

[Pat wang]

Hi Stefan,

Thanks for your reply. Actually the Xlite was in the same LAN as SER/SEMS 
when I met that problem. Yes, following what you said I noticed the ICMP 
unreachable is for the RTCP but not RTP.  I just tried another test by 
moving Xlite behind a NAT. It works this time.
I am running SER as root. I'll try to run it on different user then move 
Xlite back to the same LAN with SER and see what happens. Thanks for you 
help.

Pat

>From: Stefan Sayer <sayer at fokus.fraunhofer.de>
>To: yu wang <wangyu39 at hotmail.com>
>CC: serusers at lists.iptel.org
>Subject: Re: [Serusers] Xlite not working with SER+SEMS
>Date: Tue, 02 Aug 2005 10:51:23 +0200
>
>Hello,
>
>usually xlite listens to the rtp port. Are you sure that the ICMP messages 
>come from the client and you set up the firewall on the client correctly?
>
>sems does not support rtcp, so when xlite sends rtcp reports, there is an 
>icmp coming back from sems to the client.
>
>
>If you look at sems log you can see whether the icmp watcher ends the 
>session, if this is the case try starting sems as non root user to disable 
>the icmp watcher, but i doubt that this will make a difference.
>Stefan
>
>yu wang wrote:
>>Hi,
>>
>>I've been working on conference with Xlite but it is not work. The problem 
>>is SEMS starts sending media (default wav) back to Xlite once SEMS 
>>receives the INVITE/SDP from Xlite. It seems a bug on Xlite not listening 
>>on the media port after sending the INVITE thus it replys with ICMP port 
>>unreachable. But I don't see anyone complain this on this list. Is 
>>something wrong with my configuration?
>>
>>Please please help me.... Thanks,
>>
>>Pat
>>
>>
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>