[asterisk-users] Require a Type 102 milliwatt number

[Dean Collins]

Ok how do you use this then?

 

I dialed 909-390-0002 Milliwatt and apart from hearing a tone my
ztmonitor was just on full to the right.

 



Cheers,
Dean 

________________________________

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Darryl
Dunkin
Sent: Tuesday, 27 May 2008 4:23 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Require a Type 102 milliwatt number

 

There are many listed here:

http://web.textfiles.com/ezines/PHREAKSANDGEEKS/PnG-spring05.txt

 

206-345-0020 Seattle Milliwatt
425-226-0020 Seattle Milliwatt
670-234-0102 Milliwatt
781-382-5555 Milliwatt
800-485-9076 Milliwatt
877-250-0600 Milliwatt
909-390-0002 Milliwatt
914-372-9988 Milliwatt

 

________________________________

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Sanjay
Rajdev
Sent: Tuesday, May 27, 2008 13:14
To: Asterisk Users Mailing List - Non-Commercial Discussion
Cc: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Require a Type 102 milliwatt number

Does anyone know a Type 102 milliwatt number that I can call to adjust
the RxGain? I have tried the telco but no one is responding on their
number.

Regards,
Sanjay Rajdev

----- Original Message -----
From: "Matt Watson" <matt at mattgwatson.ca>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tuesday, May 27, 2008 5:02:24 AM GMT +05:30 Chennai, Kolkata,
Mumbai, New Delhi
Subject: Re: [asterisk-users] Voice low on ZAP

On May 26, 2008 07:19:07 pm Sanjay Rajdev wrote:
> I have a Sangoma A200 card on my asterisk box, the sound that is
received
> on the ZAP channel is very low, I is sometime difficult to hear the
person
> on the other side of the line. Is there a way we can increase the
volume on
> the ZAP channel
>
>
> Regards,
> Sanjay Rajdev

rxgain= 
in zapata.conf

However, before you go blindly upping the value, you should know that
you run 
the risk of making echo problems worse by messing around with
rxgain/txgain.  
However, tuning rxgain/txgain is something that you *should* do on all
your 
FXO ports anyways... properly tuned ports will create far less echo than

those using default values most of the time.

Tuning rxgain/txgain is a little bit of a tedious task however, and I
can;t 
really say there are alot of good guides out there on how to do it.

The way I did it was first I tuned my rxgain by dialing a telco-owned 
milliwatt test number (should be able to get this from your telco, i
believe 
its referred to as a Type 102 milliwatt test).  You use that to tune
rxgain, 
then the way I tuned txgain was by using the app_milliwatt application
to 
essentially create my own milliwatt test number (need multiple FXO ports
to 
do this), so basically i;d dial out from one FXO port and back into the
other 
and adjust the txgain until i got it right...

You need to use ztmonitor to watch the levels as you adjust tx/rxgain, I

believe the magic number you want to hit in ztmonitor is around 14840
(thats 
off the top of my head so i might be off)...


-- 
Matt
http://www.mattgwatson.ca

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