T1 Line configuration -24 b channels
I have a T1 line from a Nortel PBX. The line is not a PRI line but has 24 b channel and no d channel. I tried configuring the dahdi driver but the dahdi module is not getting loaded into the asterisk. At the asterisk server I have a Digium TE220b interface card. I am attaching the asterisk configuration files
/etc/dahdi/system.conf
# Span 1: TE2/0/1 "T2XXP (PCI) Card 0 Span 1" (MASTER) B8ZS/D4 ClockSource
span=1,1,0,d4,b8zs
# termtype: te
bchan=1-24
echocanceller=mg2,1-23
/etc/asterisk/chan_dahdi.conf
[channels]
language=en
; include dahdi extensions defined in FreePBX
;#include chan_dahdi_additional.conf
; XTDM20B Port #1,2 plugged into PSTN
;AMPLABEL:Channel %c - Button %n
context=from-pstn
signalling=fxs_ls
faxdetect=incoming
usecallerid=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=800
group=0
channel=1-24
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in /etc/dahdi/system.conf
in /etc/dahdi/system.conf change this line
bchan=1-24 to fxsls=1-24
It is a PRI channel but not using ISDN so no B channel reference. I would not put the T1 configuration in /etc/asterisk/chan_dahdi_additional.conf as it will get written over by FreePBX the first time you create a dahdi extension.
Add an include: #include chan_dahdi_custom.conf to /etc/asterisk/chan_dahdi.conf and create a new file called chan_dahdi_custiom.conf and put your T1 config in there.
Eugene Blanchard
Author of PBX in a Flash for Newbies and Introduction to Data Communications
Did that....Now I am able to
Did that....Now I am able to dial out in the trunk (I can see it from the asterisk CLI)......But still the calls are not getting completed...If I dial from my softphone, like to my mobile, it shows as call established but actually I dont get any call to my mobile.....Similarly if I dial the DID I get a busy tone
I have configured the voicemail for the single extension that I have created...some time back when I was trying with different configurations and I called on the DID I got a busy tone...but later when I checked on voicemail there was a voicemail....on playing it it was playing back the busy tone that I got....I am no longer able to recreate it but dont know how it could happen.....Here is my overall setup....Can anybody tell me where should I look to debug or where the problem may lie
Nortel PBX ---IPMux(Remote)----IPMux(In lab) ------ Asterisk(Digium TE 220b interface card)
I have added CLI output with debug level 6 and for channel 1 which is being used for dialing out below
[Mar 31 10:18:23]