[asterisk-users] Cepstral's Allison is having trouble speaking clearly

2007-09-03 Thread Todd Reese
Hi all,

I have just install and licensed Cepstral's Allison08kHz on my Asterisk
1.4.11 system.

I can call the Allison's extension from my Grandstream IP Phone and she's
clear as a bell, but when a call to her extension traverses through one of
the Linksys/Sipura 3102 or 2002, she's got the jitters bad.

The SPA-202 has only an extension phone on it and the SPA-3102 is my FXO
from my Vonage Motorola box.


Any clues where to start looking to clear this up?


TIA,

Todd Reese


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Re: [asterisk-users] Cepstral's Allison is having trouble speaking clearly

2007-09-03 Thread Vahan Yerkanian
Todd Reese wrote:
 Hi all,
 
 I have just install and licensed Cepstral's Allison08kHz on my Asterisk
 1.4.11 system.
 
 I can call the Allison's extension from my Grandstream IP Phone and she's
 clear as a bell, but when a call to her extension traverses through one of
 the Linksys/Sipura 3102 or 2002, she's got the jitters bad.
 
 The SPA-202 has only an extension phone on it and the SPA-3102 is my FXO
 from my Vonage Motorola box.
 
 
 Any clues where to start looking to clear this up?

Make sure that you have RTP Packet Size changed to 0.02 from the default 
0.03 in the Sipura SIP tab. This is known to cause jitter with Asterisk.

HTH,
Vahan

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Re: [asterisk-users] Cepstral's Allison is having trouble speaking clearly

2007-09-03 Thread Brian West
Try setting the RTP packets to 0.020 instead of 0.030 which is the  
default on the SPA's

/b

On Sep 3, 2007, at 5:00 PM, Todd Reese wrote:

 Hi all,

 I have just install and licensed Cepstral's Allison08kHz on my  
 Asterisk
 1.4.11 system.

 I can call the Allison's extension from my Grandstream IP Phone and  
 she's
 clear as a bell, but when a call to her extension traverses through  
 one of
 the Linksys/Sipura 3102 or 2002, she's got the jitters bad.

 The SPA-202 has only an extension phone on it and the SPA-3102 is  
 my FXO
 from my Vonage Motorola box.


 Any clues where to start looking to clear this up?


 TIA,

 Todd Reese


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