[asterisk-users] Echo problem in VoIP-calls

[Jonas Kellens]

Hello list,

this is the setup :

analogue phone --> Grandstream GXW4008 --> Linksys WAG160N --> 
Asterisk-server (public)
and
Zoiper softphone --> Linksys WAG160N --> Asterisk-server (public)


When calling with an analogue phone + Grandstream GXW and also when 
calling with the Zoiper softphone, we experience echo on both calling 
parties.

Because the echo is there with the analogue phone AND with the Zoiper, I 
conclude that it is not the Grandstream GXW4008 gateway that is causing 
the echo.

Could it be the router ???


These are the VoIP speed test results :

VoIP test statistics
--------------------
Jitter: you -->  server: 4.2 ms
Jitter: server -->  you: off
Packet loss: you -->  server: 0.0 %
Packet loss: server -->  you: off
Packet discards: 0.0 %
Packets out of order: 0.0



Kind regards,

Jonas.
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