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[Joakim Nordberg]

Christian Stredicke wrote:
> If you ping on the SIP port the message has to go through the
> application layer - which takes some time considering it is an embedded
> system with a small CPU. That part should be ok.
>  
> It the phone becomes choppy, that problem is probably related to the RTP
> side. Maybe you have different packet sizes for incoming and outgoing
> traffic. You can get an Ethereal trace from the web interface of the
> phone which should show you the RTP jitter (PCAP trace). Or use a hub if
> you don't trust that trace. 6.1 is the latest version if you want to try
> the latest image (http://www.snom.com/wiki/index.php/Beta_Firmware). 
>  
> Hope that helps, CS
> 
> 
> ________________________________
> 
> 	From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Mike
> Hammett
> 	Sent: Monday, June 12, 2006 3:01 PM
> 	To: asterisk-users at lists.digium.com
> 	Subject: [Asterisk-Users] Snom high SIP ping time
> 	
> 	
> 	I don't know everything that's going on as someone else has been
> working on the project, but it hasn't really been going anywhere, so I
> had some questions.
> 	 
> 	We've got some Snom 320s with Asterisk 1.2.9.1 (I believe).  All
> was well (with a previous release), but the phones started to get real
> choppy.  We are also running a softphone at this location and it was
> fine.  The SIP qualify was returning ping times anywhere from 20 to 70
> ms over a sparsely used LAN.  Command prompt (ICMP) pings were under 1
> ms.  No amount of different Asterisk versions or phone firmware
> revisions seems to solve this.  All was well, then (as far as we know)
> without changes, it crapped out.
> 	 
> 	Any ideas?
> 	 
> 	 
> 	----
> 	Mike Hammett
> 	Intelligent Computing Solutions
> 	http://www.ics-il.com
> 	 
> 	 
> 
> 
> 
> 
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