[asterisk-users] using asterisk + sangoma a102 to simulate telco PRI: is possible?

[Giorgio Incantalupo]

Hi Rich,
I tried your solution and it works!!! You are great!!!
But I always get the message: " Primary D-Channel on span 2 
up"....shouldn't I get the same message for span 1?
And how can I make a call from port A to port B???  When I try to call, 
Asterisk shows me the following message:

Aug 22 17:26:53 NOTICE[3235]: app_dial.c:1040 dial_exec_full: Unable to 
create channel of type 'Zap' (cause 34 - Circuit/channel congestion)
  == Everyone is busy/congested at this time (1:0/1/0)


TIA

Giorgio Incantalupo


Rich Adamson wrote:
> Giorgio Incantalupo wrote:
>> Hi,
>> I have an asterisk box with a sangoma a102 (two PRI ports).
>> Is is possible to connect port A to port B in order to use port B as 
>> a simulation of a telco PRI line?
>> If yes, is there a special cable needed? How can I configure the card 
>> and zaptel.conf?
>
> Yes. You'll need a T1 crossover cable to do it. Google for which pins 
> to swap.
>
> Configure one port as pri_net (acts as a central office switch) and 
> the other port as pri_cpe (acts as a pbx). See the sample configs for 
> other parameters (including /etc/zaptel.conf timing parameters).
>
> Your zapata.conf entries will look something like these:
> resetinterval=never  ; gets rid of the many restart messages
> context=pri-in
> signalling=pri_net
> switchtype=national
> pridialplan=unknown
> channel=>1-23
>
> context=pri-out
> switchtype=national
> signalling=pri_cpe
> pridailplan=unknown
> group=7
> channel=>25-47
>
> And, /etc/zaptel.conf something like this:
> span=1,1,0,esf,b8zs
> bchan=1-23
> dchan=24
> span=2,0,0,esf,b8zs
> bchan=25-47
> dchan=48
>
>
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