[Asterisk-Users] echo sidetone grandstream and tdm400p

[Marco Sajeva]

First, thank you for your quick and kind answer.
I cannot change the TX gain on the Grandstream phones, or atleast I don't know
how to... 
Can anybody help, please?
Thanks in advance,
Marco


On Tue, 13 Jun 2006 08:54:31 -0600, Colin Anderson wrote
> Turn down your microphone TX gains on the phones. On my TDM400 with Vista
> 350's I had to crank the mic value way down. This is not specific to 
> FXS phones, on my Snom 200's sidetone is so bad, that an appropriate 
> setting for mic gain is '2' (out of 8)
> 
> hth
> 
> -----Original Message-----
> From: Marco Sajeva [mailto:m.sajeva at visioni.info]
> Sent: Tuesday, June 13, 2006 8:43 AM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] echo sidetone grandstream and tdm400p
> 
> Hi all,
> thanks to the all of you. This list is very interesting also for a newby
> like me.
> My problem: I just setup my first full working asterisk installation 
> with this config:
> 1. n.1 GXP-2000
> 2. n.4 Budgetone 102
> 3. n.1 TDM400p (3 FXS, 1 FXO)
> 
> Everything seems to work fine, but the sidetone... it's really annoying!
> We can hear the sidetone only when we call to the outside (PSTN), it 
> doesn't matter if we call a local, a mobile or a longdistance call. 
> Only we hear the echo, not the called party. We do not ear any echo 
> in internal call to each other extensions. I tryed every possible 
> setting of the echotraining, of the rx and of the tx gain, but with 
> no success. Any idea or help? Thank you in advance, Marco
> 
> ______________________________________________
> Dott. Ing. Marco Sajeva
> Visioni - we network
> http://www.visioni.info
> _______________________________________________
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