[Asterisk-Users] Problem with T1 installation

[yusuf]

Are you sure the signalling is right, play around with other signalling 
types and see.  also play around with crc on and off

Anthony Rodgers wrote:
> Are you sure you're supposed to be using E&M?
> 
> On Feb 24, 2006, at 5:39 AM, Nitin Joshi wrote:
> 
>> Hi All,
>>  
>> I have installed a Digium TE110P card on an Asterisk 1.2.1 system. Its 
>> connected directly to the PSTN. But I am unable to make outbound calls 
>> on the zap channels. The light on the card is green. Asterisk CLI 
>> shows all 24 channels when I give the command 'zap show channels'. I 
>> also noticed that Asterisk CLI shows an incoming call every few 
>> seconds on the 24th channel. This must be some kind of a timing 
>> signal. This is he first time I am configuring a T1 so I must have 
>> done something wrong I guess.
>>  
>> These are the commands I used to load the zap module:
>>  
>> modprobe zaptel
>> modprobe wcte11xp
>> ztcfg -vvv
>>  
>> ---------------------------
>>  
>> my zaptel.conf is as follows:
>>  
>> span=1,1,0,esf,b8zs
>> e&m=1-24
>> loadzone = us
>> defaultzone=us
>> --------------------------
>>  
>> the zapata.conf is as follows:
>>  
>> [trunkgroups]
>> [channels]
>>  
>> group=1
>> language=en
>> signalling=em_w
>> usecallerid=yes
>> callerid=asreceived
>> context=default
>> echocancel=64
>> echocancelwhenbridged=yes
>> rxgain=1.0
>> txgain=1.0
>> channel => 1-2
>> group=2
>> language=en
>> signalling=em_w
>> usecallerid=yes
>> callerid=asreceived
>> context=default
>> echocancel=64
>> echocancelwhenbridged=yes
>> rxgain=1.0
>> txgain=1.0
>> channel => 3-24
>> ----------------------------------
>>  
>> In extensions.conf  i have specified the following line:
>>  
>> [default]
>> exten => _ZXXXXXXXXX,1,Dial(zap/g1/${EXTEN},15,tr)
>>  
>> ----------------------
>> When I try to dial using the T1 line I get the following error :
>>  
>> Feb 24 06:56:53 NOTICE[5724]: app_dial.c:1010 dial_exec_full: Unable 
>> to create channel of type 'Zap' (cause 0 - Unknown)
>>   == Everyone is busy/congested at this time (1:0/0/1)
>>   == Auto fallthrough, channel 'SIP/7180-a103' status is 'CHANUNAVAIL'
>>