asterisk users - Apr 2005 - Dynamic Zap/{channel} allocation for out going possible?

Hi All * users...

Question:
    In extensions.conf - I am awaire that you can use macro's but what I 
am wondering about.. is that can you create a macro to do dynamic Zap 
channel allocation for a out going call?
    I don't want to reserve a channel/port in the TDM400P card for "Out
break" calls, so i was just wandering if some1 could help me a bit over 
here.

[outgoing]                                                      ;Dial 
"0" on the phone for external line

exten => _0,1,Dial(Zap/4/$EXTEN)               ;<======= statically 
allocated to Zap/4 needs to be dynamic
exten => _0,2,Goto(102)
exten => _0,102,Congestion
exten => _0,103,Hangup

I'll apreciate any help in this regard.

-- 
Kind Regards
Etienne

Never Mind..... oops.

I just needed to play around with some syntax.

Zap/1,2,3,4/$EXTEN

Ps: Is there a better santax because 1-4 doesn't work.

Kind Regards
Etienne


Etienne Pretorius wrote:
> Hi All * users...
>
> Question:
>    In extensions.conf - I am awaire that you can use macro's but what 
> I am wondering about.. is that can you create a macro to do dynamic 
> Zap channel allocation for a out going call?
>    I don't want to reserve a channel/port in the TDM400P card for
"Out
> break" calls, so i was just wandering if some1 could help me a bit 
> over here.
>
> [outgoing]                                                      ;Dial 
> "0" on the phone for external line
>
> exten => _0,1,Dial(Zap/4/$EXTEN)               ;<======= statically 
> allocated to Zap/4 needs to be dynamic
> exten => _0,2,Goto(102)
> exten => _0,102,Congestion
> exten => _0,103,Hangup
>
> I'll apreciate any help in this regard.
>