Displaying 20 results from an estimated 1238 matches for "echocancelation".
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echocancellation
2014 Aug 01
1
load testing and pattern testing sangoma A116 card
Hi,
I am trying to validate a setup with a sangoma A116 card (16PRI in one
card). I currently have two machines set up, each with a sangoma A116
card. Those are interconnected with crossed PRI cables. One of them is
in NT mode, the other in TE.
The ports are configured in E1 mode, asterisk is all set up and I can
make calls between them, filling up all 480 (16 * 30) channels.
Now, I learned
2007 Sep 17
2
Echocancellation on windows
Hi all,
does anybody has ran echocancellation successfully on windows ?
I have a problem playing audio there. If you play a wav file no mater
how I play it after comparing the captured data with the original file
there is always
difference in the audio length (for 18 sec of audio there is more than
250 ms of difference). Which of course breaks echocancellation.
I've tried playing the audio
2006 Jan 14
4
Ugly echo cancel, with Bristuff/Zaphfc
I'm using bristuffed Asterisk with ISDN/ZAPHFC
I have VERY ugly (outgoing) sound through ISDN/HFC if echocancel=yes in
zapata.conf, but without echocancel I have bad (incoming) echo
Through PSTN/FXO sound is ok with or without echocancel.
I tried other echo cancellers (in zconfig.h) two times:
ECHO_CAN_KB1 (this was default)
ECHO_CAN_MARK2
ECHO_CAN_MG2
after any change I compiled (make
2011 Apr 07
0
Asterisk 1.8.x Skips DTMF Digits on a First DAHDI Initiated Call
Hi,
I know it sounds weird, and this is part of the reason I have not
reported that sooner. As I upgraded from 1.6.2.x to 1.8.x several
months ago I am experiencing this problem. If a call is initiated from
a DAHDI extension after no DAHDI extensions were used for some time,
arbitrary DTMF digits are skipped and the call fails. If the call is
redialed it goes through. Normally just one (1)
2010 May 18
1
Callerid with DAHDI
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hi all!
I'm testing a telephone connected to FXS port of a Sangoma A200 card.
But I'm observing that callerid is not working. The configuration that
I'm using in chan_dahdi.conf is the following one:
- ---------------------------------------------------------------------
;autogenerated by /usr/sbin/wancfg_dahdi do not hand edit
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
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)
2004 Jan 25
2
Example of TDM20B
I am trying to find an example of how to set up my FXS Station Card in my
Asterisk.
I have (1) XP100P
I have (1) tdm20B (2 Port FXS)
Could someone tell me if this is correct?
/etc/zaptel.conf
fxsks=1
fxoks=2
fxoks=3
loadzone=us
defaultzone=us
/etc/asterisk/zapata.conf
[channels]
;
language=en
;
;X100P Port 1
context=inbound-analog
signalling=fxs_ks
usecallerid=yes
echocancel=yes
2005 Feb 17
5
PRI and echocancel
Hello,
I have a crossover PRI(Asterisk server to PBX) and a regular telco PRI T1
line and currently have echocancel=yes and echocancelwhenbridged=yes on
those spans in zapata.conf. I was discussing CPU load with another Asterisk
user and he mentioned that PRIs don't need echo cancelation and that turning
it off will reduced CPU load on the server. I checked many sample configs
and the
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 ;
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
2009 Sep 29
1
Fax and dial-up connection issues
I have a pretty large setup on one of my customers. Digium TE420B (with echo cancelling module), 3 Xorcom Astribanks with 32 FXS each and 1 Xorcom Astribank with 16 FXO. These FXO ports are NOT used for fax/data transmission, as they are connected to cell phones. Not really related to the issue, but there are also 250 SIP phones.
The problem is that fax and dial-up connections are really
2007 Sep 17
0
Echocancellation on windows
> does anybody has ran echocancellation successfully on windows ?
> I have a problem playing audio there. If you play a wav file no mater
> how I play it after comparing the captured data with the original file
> there is always
> difference in the audio length (for 18 sec of audio there is more than
> 250 ms of difference). Which of course breaks echocancellation.
>
2005 Jan 19
1
echocancellation in modem.conf
I have a ISDN BRI card with hisax module (w6692) and there is a lot of echo
when I make calls to outside. Between the sip softphones the echo doesn't
exist, but when I call to outside through the ISDN the echo exist.
Is there any sense to put echocancellation in modem.conf ?
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2010 Jul 19
1
digium HW echocancellation - fax tone detection
Hello !
I 'm using a TE405P with a HW echocanceller module attached on it.
dahdi version is dahdi-linux-complete-2.2.0.2+2.2.0.
As far as I know, the fax tone detection is done on the FW board.
How can I verify that the echo canceller has been turned off ?
When I do a cat /proc/dahdi/1 for span 1 I see still the VPM450 entry
near the channel although this was a fax call with CED tone.
2009 Jun 18
2
dahdi and overlapdial problem
Hi there,
we have a problem with dahdi and overlapdial. We are running an E1 in
Germany and are in need of overlapdial. The E1 is connected to a Sangoma
A101.
As soon as overlapdial is set to "yes" we have problems with incoming
audio on the dahdi channels. When set to "no" all audio is fine.
Basically we can choose between being able to receive calls or to place
calls
2011 Feb 17
1
Setting two E1 cards
Dear, I always had one E1 card with one span, so I've never had any
problem in set it up through /etc/dahdi/sustem.conf and
/etc/asterisk/chan_dahdi.conf because I put span=1.
But now I have a PBX with two E1 cards with 4 span (8 span in total).
How do I have to define both card in system.conf and chan_dahdi.conf,
and how do I have to refer each span to the corresponding card ???
Thanks a
2009 Sep 27
2
DAHDI congestion problem
I am unable to dial out over a Wildcard TDM400P. This was working previously, so must have
messed up the config somehow. I'm running Asterisk 1.6.0.15, with FreePBX 2.5.2.2.
When I dial, I see:
-- Executing [s at macro-dialout-trunk:19] Dial("DAHDI/1-1", "DAHDI/g0/9239220,300,") in
new stack
== Everyone is busy/congested at this time (1:0/1/0)
It looks like the
2007 Mar 15
2
Help! Echo problem even at T1 PRI?
Hello,
We have an asterisk setup at our client's site using a TE205P. The line to
telco is a 23 channels T1 PRI, however the line has random echo problems
(about 5-10% of the calls)!
Can anybody tell me if echo cancellation is really needed even at a T1 PRI
to the telco? Because people keep saying when they deploy voip solution in
Hong Kong using T1 PRI, there is no need of echo cancellation.
2004 Dec 30
1
Weird..bridging to Zap channel FXS instead of bridging to PSTN FXO on outgoing group
Hi All,
Channels 25-28 on a customers PBX are regular Zaptel FXO cards that
are hooked into 4 incomming phone lines. They are all in a group to do
automatic rollover for outgoing calls (if channel 25 is being used,
dial on channel 26, etc.).
Sometimes when a user is dialing a number, instead of bridging to one
of the FXO cards it goes and rings to Zap/1-1.
This doesnt occur all the time but some