Hi All;
Suddenly, we restarted the Asterisk machine and the echo appeared. The lines
are analoge.
At the consol, I see this message:
[Aug 10 14:36:05] WARNING[3789]: chan_dahdi.c:4831 dahdi_enable_ec: Unable to
enable echo cancellation on channel 1 (No such device)
[Aug 10 14:36:07] WARNING[3789]: chan_dahdi.c:4831 dahdi_enable_ec: Unable to
enable echo cancellation on channel 1 (No such device)
What could be the reason?
The asterisk version is Asterisk 1.8.5.0
DAHDI Version: 2.4.1.2 Echo Canceller
At the system.conf I have the following:
echocanceller=mg2,1-16
fxoks=1-16
At the chan_dahdi.conf
context=IncomingPSTN
signalling=fxs_ks
rxgain=0.0
txgain=0.0
channel => 1-16
group=1
channel => 1-16
The calls are working, but the echo is appearing.
Something strange is the result of the dahd_cfg, but really if I changed the
configuration in the system.conf and I made it fxs instead of fxo, then it is
not working:
[root@PBX-FF asterisk]# 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
[root@PBX-FF asterisk]#
Any help?
Maybe the version I have has a bug?
Or I have to do recompilation?
Regards
Bilal
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