[Asterisk-Dev] Wierd RTP timestamp?

[brian k. west]

the timestamps go 160 increments on G711

bkw

----- Original Message ----- 
From: "Iain Stevenson" <iain at iainstevenson.com>
To: <asterisk-dev at lists.digium.com>
Sent: Tuesday, May 18, 2004 2:49 AM
Subject: [Asterisk-Dev] Wierd RTP timestamp?


>
> I have an application that gives results by playing back a file generated
> by Festival via the "Playback" option.  This morning, a Cisco 7960 drops
> two segments of speech whereas the same application works fine through an
> ATA186.  An ethereal trace contains this (.243 is the phone):
>
> 8.993907 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711 PCMU,
> SSRC=553327717, Seq=55413, Time=19471552
>   9.013901 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711
> PCMU, SSRC=553327717, Seq=55414, Time=19471712
>   9.033903 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711
> PCMU, SSRC=553327717, Seq=55415, Time=19471872
>   9.034585 192.168.2.254 -> 192.168.2.243 RTP Payload type=ITU-T G.711
> PCMU, SSRC=508756932, Seq=43194, Time=57112
>   9.054329 192.168.2.254 -> 192.168.2.243 RTP Payload type=ITU-T G.711
> PCMU, SSRC=508756932, Seq=43195, Time=1175501672
>   9.054548 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711
> PCMU, SSRC=553327717, Seq=55416, Time=19472032
>   9.074253 192.168.2.254 -> 192.168.2.243 RTP Payload type=ITU-T G.711
> PCMU, SSRC=508756932, Seq=43196, Time=1175501832
>   9.074735 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711
> PCMU, SSRC=553327717, Seq=55417, Time=19472192
>   9.094274 192.168.2.254 -> 192.168.2.243 RTP Payload type=ITU-T G.711
> PCMU, SSRC=508756932, Seq=43197, Time=1175501992
>   9.094716 192.168.2.243 -> 192.168.2.254 RTP Payload type=ITU-T G.711
> PCMU, SSRC=553327717, Seq=55418, Time=19472352
>   9.114247 192.168.2.254 -> 192.168.2.243 RTP Payload type=ITU-T G.711
> PCMU, SSRC=508756932, Seq=43198, Time=1175502152
>
> ... timestamps look odd, like a chap reported yesterday, but then again I
> don't know RTP.
>
>   Iain
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