asterisk users - Jul 2011 - Macro to Dial a Channel Group using Round-robin

Good morning,

    I am writing a Asterisk dialplan from scratch (for learning and
testing purposes), but i'm having trouble with a algorithm to dial a SIP
group using round-robin. I want that asterisk dial the member of the
group in a circular way, until the call be answered. For example, i have
the group TEST="SIP/1&SIP/2&SIP/3&SIP/4", asterisk would
dial SIP/1, if
it doesn't answer in a period of time then asterisk would dial SIP/2 and
so on. Can somebody help me?


Thanks.
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Try using local  channel to accomplish that.
 by example  :

    you have 2  phones  in the group  and  want  to dial  those phones in
the following fashion. Dial phone 1  first  after 15 sec  if phone1 does
not  pickup  dial phone2 :

[group-call]
exten => group1,Dial(Local/phone1 at group-call&Local/phone2 at
group-call, 30)

exten => phone1,1,Dial(SIP/100,15)
          same => n,Hangup()

exten => phone2,1,Wait(15)
          same => n,Dial(SIP/101)
          same => n,Hangup()


Hope that will  help.

"asterisk the definitive guide"



2011/7/20 Antonio Modesto <modesto at isimples.com.br>
> **
> Good morning,
>
>     I am writing a Asterisk dialplan from scratch (for learning and testing
> purposes), but i'm having trouble with a algorithm to dial a SIP group
using
> round-robin. I want that asterisk dial the member of the group in a
circular
> way, until the call be answered. For example, i have the group
> TEST="SIP/1&SIP/2&SIP/3&SIP/4", asterisk would dial
SIP/1, if it doesn't
> answer in a period of time then asterisk would dial SIP/2 and so on. Can
> somebody help me?
>
>
> Thanks.
>
> --
> _____________________________________________________________________
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-- 
*Adolphe CHER-AIME
Network / VoIP  Engineer
CCNA, CCNA VOICE, Global VSAT Forum Certified
(509) 3449-4280*
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On Wednesday 20 Jul 2011, Antonio Modesto wrote:
>     I am writing a Asterisk dialplan from scratch (for learning and
> testing purposes), but i'm having trouble with a algorithm to dial a
SIP
> group using round-robin. I want that asterisk dial the member of the
> group in a circular way, until the call be answered. For example, i have
> the group TEST="SIP/1&SIP/2&SIP/3&SIP/4", asterisk
would dial SIP/1, if
> it doesn't answer in a period of time then asterisk would dial SIP/2
and
> so on. Can somebody help me?
Start with this and experiment!  You may want to set a variable initially to 
0, increment it each time around the loop and use a GotoIf() to jump out 
after too many cycles.

[macro-round-robin]
exten => s, 1, Dial(SIP/1, 30)  ;  dial SIP/1 for 30"
exten => s, n, Dial(SIP/2, 30)  ;  dial SIP/2 for 30"
exten => s, n, Dial(SIP/3, 30)  ;  dial SIP/3 for 30"
exten => s, n, Dial(SIP/4, 30)  ;  dial SIP/4 for 30"
exten => s, n, Goto(1)  ; start again

-- 
AJS

Answers come *after* questions.

Oh man, so easy, thank you very much!
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