[VoiceOps] Delay on RTP for Inbound Calls
Matt Yaklin
myaklin at g4.net
Wed Jan 6 00:49:30 EST 2010
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?.
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> Traced at SBC side facing Level 3
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> Traced at SBC side facing Customer (who receives inbound call)
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> Traced at Customer Prem
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> All the above 3 traces the Audio sounds fine, but on my cell phone I miss the first 2 seconds.
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> Ujjval Karihaloo
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>
> 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;
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>
> 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.
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> Plus it is sporadic and difficult to reproduce, was wondering if folks have encountered this and any good troubleshooting techniques you can recommend.
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> Ujjval Karihaloo
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