Displaying 20 results from an estimated 8000 matches similar to: "Help! Echo problem even at T1 PRI?"
2006 Jun 20
3
TDM400P bad echo problem, tried lots of things
I have a bad echo problem on my TDM400P with one FXO module installed.
I have tried a few things, such as:
* setting rxgain and txgain to 0
* setting echocancelwhenbridged to no / yes
* settting echocancel to 64 / no / yes
* setting echocanceltraining to 800 / no / yes
* MG2 echo cancellation
* MARK2 echo cancellation
* KB1 echo cancellation
* AGGRESSIVE_SUPPRESSOR option of MARK2
Each time
2008 Jul 16
5
Digium PRI and Echo cancellation
Hello,
I would like to double check what Echo Cancellation my Digium Card uses.
I thought I bought the little more expensive card that integrates
EchoCancellation. How can I check?
root at sn1:~# zaptel_hardware
pci:0000:0b:08.0 wcte12xp+ d161:8000 Wildcard TE121
root at sn1:~# ztcfg -v
Zaptel Version: SVN-branch-1.4-r4309
Echo Canceller: MG2
Is MG2 the correct one that I am supposed
2007 Feb 09
6
The High Performance Echo Canceller (HPEC)
I recently read about the following new technologies from Digium. Has
anyone tried the new HPEC or knows when it will be available?
TDM800P and HPEC
The TDM800P is an 8-port analog telephony interface card, so it fills the
gap between Digium's 4-port and 24-port cards. Analog phones and POTS lines
are going to be with us for some time, and demand for support for them
remains high. The
2005 May 26
3
Analog Telephone Adapter
I'm looking for a good, reliable, and cheap 4-port FXS ATA. Does
anyone know of one that works with Asterisk?
Thanks,
Waldo
2010 Jan 14
2
Dahdi issues
Hello,
My first attempt to get dahdi running on 1.4.28... with a Rhino 8 port
modular card and a single FXS module.
Got the Rhino card installed and the machine sees it:
root at pbx:/etc/dahdi# dmesg | grep rcbfx
[ 71.985309] rcbfx 0000:04:00.0: PCI INT A -> GSI 21 (level, low) -> IRQ
21
[ 71.985440] rcbfx 1: Rhino PCI BAR0 50100000 IOMem mapped at
ffffc90008d7c000
[ 71.985504]
2010 Sep 01
2
Freepbx + Asterisk problem - NEED HELP
Hello,
After installing on Ubuntu 10.04 using the tutorial on
http://hmontoliu.blogspot.com/2010/03/installing-asterisk-and-freepbx-on.html
I have a running instance of Asterisk.
PROBLEM: result of dahdi_cfg:
DAHDI Tools Version - 2.2.1
DAHDI Version: 2.2.1
Echo Canceller(s): MG2
Configuration
======================
Channel map:
Channel 01: FXS Kewlstart (Default) (Echo Canceler: mg2)
2009 Sep 02
4
More Echo
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000000">
<span class="postbody">Greetings,<br>
I am running Asterisk 1.4.25 with Dahdi Complete
2.2.0, on a Digium TE121B PCI express card with a </span>VPMADT032<span
2008 Sep 05
1
dahdi & tdm400p: no luck
As best i could figure it out, I've installed dahdi and rc4.
My TDM400P doesn't answer fxo or fxs.
/etc/dahdi/system.conf:
loadzone = us
defaultzone=us
fxoks=1,2
fxsks=4
/etc/asterisk/chan_dahdi.conf:
[house-phones]
context=internal ; Uses the [internal] context in extensions.conf
signalling=fxo_ks ; fxo_ks Use FXO signalling for an FXS chanel
dahdichan => 1 ;
2008 Apr 11
2
tdm410p w/ echo - no full duplex
hi, i just installed 2 new tdm410p's on asterisk 1.4.19 with zaptel
1.4.10. They have the hardware echo cancellers. I am having an issue
though, when i talk, it cuts out the other end. So for example, i
called up another asterisk box and was listening to the prompts and as
they were playing if i said something, it would cut out the other end.
so i basically started counting and for the
2004 Jan 29
5
Echo worsens in 0.7.1
Just updated from CVS 12-23-03 to tarbal 0.7.1. Identical settings in
zconfig.h for echo cancellation (MARK2, aggressive OFF). The echo got
worse, much worse. It takes longer to train and overspeak now disables
cancellation, which it did not before. In fact, I now have echo on VoIP
to VoIP on our local network, which I never had before. Was something
changed with the echo supression which
2009 Aug 18
3
Zaptel -> DAHDI: now echo
Hello
I have upgraded our asterisk box from zaptel to dhadi two weeks ago...
Since, there has been quite a significant amount of echo when making a
call. Only for the local outgoing call, the person on the other side
doesn't hear any echo.
This is with a TE-110P ISDN PRI card ..
I've pretty much took the original zaptel configuration and used it
as-is with the dahdi one ; to no
2005 Mar 11
1
EADS6550 and asterisk - echo on PSTN call
Hi list,
would like to know if some of you have tested asterisk connected to an
EADS 6550 analogique PBX (also know as Nexpan50).
Our set up is a Dell Optiplex with 1 TDM400 4 FXO, 1 TDM400 4 FXS, (no
other card, each of them have their own IRQ) all ports connected to the
EADS. We have GS ATA286 as EP. Calling from ATA to ATA give a perfect
sound. Calling to PSTN numbers or reverse side,
2006 Jun 08
7
Fun with Echo
I've spent the last week or so troubleshooting echo problems at my
Wife's business, and I've been able to clear up about 99% of the
echo, but there is still a little residual echo that I can't seem to
"tweak out". The users describe it as "buzzing or crackling", but
what it sounds like to me is a slight echo, but just of one syllable
of the word.
2009 Sep 20
1
Experience with Sangoma's USBfxo
Hi,
I've seen this USB product from Sangoma :
http://www.sangoma.com/products_and_solutions/hardware/analog_telephony/usb_fxo.html
Is it working ok ?
Is it easy to integrate it with Asterisk ?
How would you rate your experience with it ?
Regards
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2004 Jun 26
1
Echo worse after new echo patch
Hi all,
I was excited to see the announcement on the list regarding the fix for
the echo problems on Digium FXO cards!
I have 2 X101P's, TDM400P with 4 FXS modules and couple of XLite
softphones. A few months back,I had gone thru the recommendation on the
list to remove echo from the SIP phones(I never did have any echo on the
TDM400P FXS phones), and had removed about 90% of the echo.
2004 May 06
1
sip + zap problem
Here's our config:
cisco 7960's running 6.3 sip code
latest cvs of *
t100p zaptel card
adit 600 channel bank
7 pots lines and 2 fax machines on the adit 600
dialing out from the cisco phones gets sent out via the zap channels, but
I'm having some serious echo problems. I currently have the adit set to
+3 rxgain and -6 txgain, with my zapata.conf containing:
echocancel=128
2005 Jan 30
2
where to buy x100p
Hello,
Can the wildcard x100P be bought
of the shelf in stores - say in Singapore.
Thanks
Varun
2007 Jan 11
4
Echo...
I've spent all day today trying to fix an echo problem and I've made no
ground whatsoever.
I have Digium TDM400 with 3 FXO & 1 FXS. I've tried this computer at
two completely different sites with different phone providers. I've
tried compiling & installing different versions of Zaptel (currently
running 1.4.0, started at 1.2.9 and worked my way up). I've tried
2010 Aug 23
1
Dahdi install gone wrong
The card you installed has FXO or FXS modules in it ????? are you getting
your lines directly from the telco co???
Doug D
On Mon 23/08/10 8:37 AM , Cassius Smith cassius at cassius.org sent:
* -----Original Message-----
* From: Todd Reese
* Reply-to: Asterisk Users Mailing List - Non-Commercial
Discussion
* To: asterisk-users at lists.digium.com [3]
* Subject: [asterisk-users] Dahdi
2004 Jul 21
3
echotraining on T1 circuits
Hello,
We just had some new T1s turned up today to replace others that our contract
has run out on and we are now getting more echo on the new T1 lines than we
had on the old ones.
The T1 type is 24-channel, D4/AMI SF Robbed-bit(the same as the T1s they
replaced)
The problem is that we are getting echo on about 10% of the calls in and out
placed on these new T1s compared to less than 1% with