Hello, Please have a look to DIALSTATUS variable. here http://www.voip-info.org/wiki/view/Asterisk+variable+DIALSTATUS
<http://www.voip-info.org/wiki/view/Asterisk+variable+DIALSTATUS>I hope it helps On Thu, Mar 18, 2010 at 1:31 PM, Zhang Shukun <bit...@gmail.com> wrote: > hi,all > > one problem confuse me these days. i want to sequence dial three PSTN > number(a,b,c) > > first, if i dial number a, if a is busy , i will dial number b. if b > is busy, i will dial number c. > > Dial(SIP/a...@ip,30) > Dial(SIP/b...@ip,30) > Dial(SIP/c...@ip,30) > > i want to know before i dial number a, how to know if a is busy now? > > if a is busy now. i will not dial a, instead, i will dial number b > directly. > > to summary is : in asterisk, how to detect a pstn telephone number is > busy or not before dialing it? > > Thanks! > > -- > Best regards, > Sucan > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- Best Regards Shakeel Abbas
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users