[asterisk-users] Echo problem in the analoge lines

[bilal ghayyad]

The current dahdi version is:

PBX-FF*CLI> dahdi show version
DAHDI Version: 2.4.1.2 Echo Canceller:

Well, the output of the dahdi_cfg as shown below, it declares there is invalid argument. But, really I tried to change the configuration in the systems.conf from fxoks=1-16 to fxsks=1-16 but did not work at all !! I know that FXO ports needs FXS signaling .. But I do not know why this message appears with me:


[root at PBX-FF /]# dahdi_cfg
DAHDI_CHANCONFIG failed on channel 1: Invalid argument (22)
Selected signaling not supported
Possible causes:
        FXO signaling is being used on a FXO interface (use a FXS signaling variant)
        RBS signaling is being used on a E1 CCS span
        Signaling is being assigned to channel 16 of an E1 CAS span


Also I have the following lines in the systems.conf:

echocanceller=mg2,1-16
fxoks=1-16

And I have the following lines in the chan_dahdi.conf:

context=IncomingPSTN
signalling=fxs_ks
rxgain=0.0
txgain=0.0
channel => 1-16

group=1
channel => 1-16

The output of the command 'cat /proc/dahdi/1' is:


[root at PBX-FF asterisk]# cat /proc/dahdi/1
Span 1: WCTDM/0 "Wildcard TDM2400P Board 1" (MASTER)

           1 WCTDM/0/0 FXSKS (In use)
           2 WCTDM/0/1 FXSKS (In use)
           3 WCTDM/0/2 FXSKS (In use)
           4 WCTDM/0/3 FXSKS (In use)
           5 WCTDM/0/4 FXSKS (In use) RED
           6 WCTDM/0/5 FXSKS (In use) RED
           7 WCTDM/0/6 FXSKS (In use) RED
           8 WCTDM/0/7 FXSKS (In use) RED
           9 WCTDM/0/8 FXSKS (In use) RED
          10 WCTDM/0/9 FXSKS (In use) RED
          11 WCTDM/0/10 FXSKS (In use) RED
          12 WCTDM/0/11 FXSKS (In use) RED
          13 WCTDM/0/12 FXSKS (In use) RED
          14 WCTDM/0/13 FXSKS (In use) RED
          15 WCTDM/0/14 FXSKS (In use) RED
          16 WCTDM/0/15 FXSKS (In use) RED
          17 WCTDM/0/16 Reserved
          18 WCTDM/0/17 Reserved
          19 WCTDM/0/18 Reserved
          20 WCTDM/0/19 Reserved
          21 WCTDM/0/20 Reserved
          22 WCTDM/0/21 Reserved
          23 WCTDM/0/22 Reserved
          24 WCTDM/0/23 Reserved

So what do u advise?
Regards
Bilal


------------
> > OK, I can buy echo canceller from Digium and how will
> be installed in
> > the digium card? Or it is a hardware?
> 
> If you're using a TDM2400 you can buy a hardware echocan
> module or HPEC (which
> is a proprietary software echocan) if you desire (or need),
> however...
> 
> > Currently I am reading a message at the consol that
> Unable to enable
> > the echo canceller .. does this means that Digium card
> that I have is
> > not supporting?
> 
> ...either of those options won't resolve the "Unable to
> enable the echo
> canceller".  After you set 'echocanceller=mg2,1-24' in
> your
> /etc/dahdi/system.conf file, did you run dahdi_cfg? 
> Also, what is the output
> of 'cat /proc/dahdi/1'?
> 
> -- 
> Shaun Ruffell
> Digium, Inc. | Linux Kernel Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> Check us out at: www.digium.com & www.asterisk.org
>