I have that exact setup and am getting a echo at the beginning of a inbound
call. What gain settings work best for you?
Gary
Hello Bryce,
Gain settings do seem to have an effect. I am going from a Cisco
7960>Asterisk>Zap TDM Card>POTS
Thanks,
Greg
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Bryce
Chidester
Sent: Wednesday, May 18, 2005 1:08 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Static on TDM Zaptel FXO
That type of echo is usually caused by incorrectly (or not at all) tuned
gain settings in zapata.conf. I don't know what kind of phones you're
using, but for Asterisk to even be able to detect DTMF tones on our
Sayson / Aastra 390s and 480s, our FXS channels are set to -5.0 on both
rx and txgain. If you're using externally-powered phones (as in not your
ordinary joe-schmoe analog phone), I have found that they're usually
pretty "hot" (loud) and Asterisk can't understand what is said.
Good luck!
Regards,
Bryce Chidester
Rhino Equipment Corp.
[EMAIL PROTECTED] SIP: [EMAIL PROTECTED]
+1 (480) 940-1826 x305 IAX:
[EMAIL PROTECTED]/305
On May 17, 2005, at 19:00, Gregory Wiktor - ADCom Corp. wrote:
On a recompile of the kernel I now get a 99.98 average.
Static is gone, although quality so far seems not quite there yet.
I am also experiencing an odd local echo. I can hear a slight echo
locally, but the other end sounds fine, and the other end does not get
echo.
Even with the pots disconnected, you can hear it. The static would be
on all calls. Hooking up a normal phone was ok. The sip>sip phones
are perfect too, it was only happening on the zap channel...
Greg
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeremy
Parr
Sent: Monday, May 16, 2005 8:05 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Static on TDM Zaptel FXO
On 5/16/05, Gregory Wiktor - ADCom Corp. <[EMAIL PROTECTED]> wrote:
Hello All,
I recently put in a zaptel 1fxo/1fxs card. I am experiencing heavy
static.
Even with the pots line disconnected, if I do a dial I still get
static.
This way I know it's not the line, but rather something on the card.
I tried alternate pci slots.
This card has a power connector, does anyone know what the power
requirements are? The unit is in a small case with a 2.4ghz p-4 and
512mb ram, on an intel board with 533fsb. All other functions are
fine.
I am using the latest CVS on Debian 2.6test
Anyone experience this?
Have you tried a different phone? Does the static appear immediately
when you pick up the phone? Or on the second or third time?
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