[Asterisk-Users] Jitter over Sat

Storm D. J. Petersen stormp at telus.net
Tue Aug 31 03:19:47 MST 2004


Hello,

I have a problem with jitter over a 2mb up 1mb down satellite connection.  I
call my friend over the satellite - I call perfect but they cannot make out
a word I say. However if I leave him voicemail on his asterisk box, it
records my voice perfect.  I have this problem when calling other people as
well.

This is my setup:

[my Grandstream]-> [my * PBX]-> [sat]-> [friends * PBX]-> [friends Supra
Phone] (or any other device)

I've also tried:
[my Grandstream]-> [sat]-> [friends * PBX]-> [friends Supra Phone] (or any
other device)

and:

[my Grandstream]-> [my * PBX]-> [sat]-> [friends Supra Phone] (or any other
device)


I've tried all combination of using SIP and IAX2 connections to bridge the
calls using codecs ULAW and iLBC with all the same result.

When I call my friends ECHO BACK TEST, I sound perfect (with a bit of
latency).

Anyone have some suggestions?

Thanks kindly,
S.




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