[VoiceOps] Delay on RTP for Inbound Calls

[Ujjval Karihaloo]

Agreed, Just checked the RTP timestamps for the RTP Stream from my SBC to level 3 Media gateway  - Time and Seq numbers look perfect with gaps or  no issue there at all.

Ujjval Karihaloo



-----Original Message-----
From: Matt Yaklin [mailto:myaklin at g4.net] 
Sent: Tuesday, January 05, 2010 10:50 PM
To: Lee Riemer
Cc: Ujjval Karihaloo; voiceops at voiceops.org
Subject: Re: [VoiceOps] Delay on RTP for Inbound Calls



On Tue, 5 Jan 2010, Lee Riemer wrote:

> I forgot, we had this issue with invalid RTP sequence numbers with old Polycom firmware.   Are you using Polycom phones?
>

If that was the case would not his captures of the traffic and the
resulting replay be mangled at every point me mentions below?

matt




> On 1/5/2010 11:31 PM, Ujjval Karihaloo wrote:
>
>       I trace a call?on my cell phone I hear the first 1 -2 seconds clipped?however the trace sounds fine?.
>
>        
>
>       Traced at SBC side facing Level 3
>
>       Traced at SBC side facing Customer (who receives inbound call)
>
>       Traced at Customer Prem
>
>        
>
>       All the above 3 traces the Audio sounds fine, but on my cell phone I miss the first 2 seconds.
>
>        
>
>       Ujjval Karihaloo
> 
>  
> 
> From: voiceops-bounces at voiceops.org [mailto:voiceops-bounces at voiceops.org] On Behalf Of Lee Riemer
> Sent: Tuesday, January 05, 2010 10:15 PM
> To: voiceops at voiceops.org
> Subject: Re: [VoiceOps] Delay on RTP for Inbound Calls
> 
>  
> 
> Have you captured via wireshark and replayed?  Do you hear the same delay?  Is there a delay between the OK (answer) and the audio?
> 
> On 1/5/2010 8:22 PM, Ujjval Karihaloo wrote:
> 
> Hi Guys;
> 
>  
> 
>    We have noticed that sometimes when calling into our DIDs (Level 3 DIDs), there is a 2-3 second lag. i.e. Cell phone caller (party A) calls into a DID
> (Party B) that is on our network (Broadsoft Softswitch), Party B answers and sayd 1,2,3,4,5 ? but the Party A only hears 4, 5?The part i.e. 1,2,3 get cut
> off.
> 
>  
> 
> Plus it is sporadic and difficult to reproduce, was wondering if folks have encountered this and any good troubleshooting techniques you can recommend.
> 
>  
> 
> Ujjval Karihaloo
> 
>  
> 
>  
> 
>  
> 
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