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6 posts

Wannabe Geek


Topic # 42467 5-Oct-2009 16:18
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Not sure where the problem lies but we are having a few issues diring calls with either calls cutting out where we can hear the other person but they can't hear us or vise versa and also beep sounds during the call, not constantly but several times throughout the call.

Has any one experienced issues like this before?

Any help and/or advice is greatly appreciated.

Regards
Hamish

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  Reply # 261348 5-Oct-2009 17:36
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Could be any number of issues..

What ISP do you use? Who configured the adapter? What codec do you use? Do you use port forwarding or is the device on a DMZ? What sort of modem/router do you use? Do you have QoS enabled?



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Wannabe Geek


  Reply # 262947 10-Oct-2009 01:41
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What ISP do you use? TelstraClear - Wellington Cable 80Gb
Who configured the adapter? - I followed the instructions provided from the seller in CHCH
What codec do you use? - G726-32
Do you use port forwarding or is the device on a DMZ? - Port forwarding
What sort of modem/router do you use? Belkin N+ Router
Do you have QoS enabled? - Yes it is enabled

 
 
 
 


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  Reply # 262957 10-Oct-2009 06:44
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The Handytone's are only an old ATA that's only average at best.

My first suggestion would be to change the codec from G.726 - this is quite an unusual codec to be using. G.711 (ulaw or alaw) or G.729 are the most common. G.729 uses a lot less bandwidth than G.711 but has a slightly lower MOS which is a measure of the audio quality.

What ports do you have forwarded?




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Wannabe Geek


  Reply # 262982 10-Oct-2009 09:54
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Thanks for that.

I have changed it to G.729. The port forwarding is 5060 UTP and 16384 - 16482 UTP

Regards
Hamish

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