[Asterisk-Users] cascaded ringing

[Elmar Haneke]

> exten => s,1,Dial(Local/1 at context&Local/2 at context&Local/3 at context)
> 
> [context]
> exten => 1,1,Dial(SIP/1)
> exten => 2,1,Wait(5)
> exten => 2,2,Dial(SIP/2)
> exten => 3,1,Wait(10)
> exten => 3,2,Dial(SIP/3)
> 
> Basically, use the 'local' channel for your dial, then you can wait a
> bit before actually calling...


That's an good idea. How can I extend this to let SIP/2 ring 
immediately if SIP/1 is busy?

Elmar