[Asterisk-Users] echo sidetone grandstream and tdm400p

[Martin Joseph]

On Jun 13, 2006, at 9:54 AM, Marco Sajeva wrote:

> 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?
Actually since you suggested the problem is only with your PSTN calls 
(ie Zap channels), I think the answer is more likely in the 
zapata.conf?

I would experiment a bit more there with the gains...

Marty

> 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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