[Asterisk-biz] gotta be a better way

[Eric "ManxPower" Wieling]

Why not

exten => s,4,Cut(TECHNOLOGY=CHANNEL,/,1)
exten => s,5,GotoIf($["${TECHNOLOGY}" = "Zap"]?6:9)


C F wrote:
> This belongs at asterisk users, if you want some real help you should
> try that list.
> Your code doesn't make sense to me, if all your trying to see is what
> device type is making the call then this will do:
> 
> set(DTYPE=${CHANNEL:0:4}) should give you either SIP/ or ZAP/ for those 2 types.
> 
> if you want everyting after the slash ('/') then this will do for
> local, sip, and zap:
> exten => 807,1,GotoIf($[${CHANNEL:0:5} = Local]?20)
> exten => 807,2,GotoIf($[${CHANNEL:0:3} = Zap]?30)
> exten => 807,3,Noop(not zap or local so must be sip)
> exten => 807,4,Set(DEVICE=${CHANNEL:4})
> exten => 807,5,Noop(${DEVICE})
> exten => 807,20,Set(DEVICE=${CHANNEL:6})
> exten => 807,21,Noop(${DEVICE})
> exten => 807,30,Set(DEVICE=${CHANNEL:4})
> exten => 807,31,Noop(${DEVICE})
> 
> if you want the above but that device should never contain the hex
> value for the SIP calls, so that all you get is the device from
> sip.conf and not the -abc3:
> exten => 807,1,GotoIf($[${CHANNEL:0:5} = Local]?20)
> exten => 807,2,GotoIf($[${CHANNEL:0:3} = Zap]?30)
> exten => 807,3,Noop(not zap or local so must be sip)
> exten => 807,4,Set(DEVICE=${CHANNEL:4:$[${LEN(${CHANNEL})} - 9]})
> exten => 807,5,Noop(${DEVICE})
> exten => 807,20,Set(DEVICE=${CHANNEL:6})
> exten => 807,21,Noop(${DEVICE})
> exten => 807,30,Set(DEVICE=${CHANNEL:4})
> exten => 807,31,Noop(${DEVICE})
> 
> The above should give you 1324 for a channel that holds SIP/1234-abc3
> 
> On 11/22/05, Bill Michaelson <bill at cosi.com> wrote:
>> Based on what I've read about Asterisk variables, I'm considering this
>> ugly snippet to determine the device from which a call originates in
>> order to drive further processing...
>>
>> exten => 807,1,Set(L=${LEN(${CHANNEL})})
>> exten => 807,2,set(L=${MATH(${L}-5)})
>> exten => 807,3,noop(${L})
>> exten => 807,4,set(DEVICE=${CHANNEL:0:${L}}) ; chop off 5 chars
>>
>>
>> I strongly suspect that there is a better way.