[Asterisk-Users] Asterisk: T1 hunt group setup

[Colin Anderson]

>My goal is when a call comes to the main number which is (555) 222 0001, 
>to have it roll over to the next available T1 channel.
>Or give busy signal to the caller if all channels are busy. To have one 
>main number for all calls.


I believe the dialstring:

exten => _XXXXXXX,1,Dial(Zap/G0/5551212)

will do a top-down hunt (starting from channel 23)

whereas

exten => _XXXXXXX,1,Dial(Zap/g0/5551212)

will do a bottom-up hunt (starting from channel 1)

The difference is g0 vs G0 (Group Zero, assuming you have a group zero. You
would change this if you had more than 1 group. For example, you could split
your PRI into two groups,0 and 1, leave a few channels for your pilot number
and allocate the rest for your DID's. In this case you would use:

exten => _XXXXXXX,1,Dial(Zap/g1/5551212)

or

exten => _XXXXXXX,1,Dial(Zap/G1/5551212)

depending on how you want to do the hunt. 

hth