I started a small bounty for it at: http://www.voip-info.org/wiki-Dialtone+and+line-in-use+detection+on+a+ZAP+channel Hopefully other people will add to it and make it grow.
Jon. On Monday 31 January 2005 12:02 am, Paradise Dove wrote: > On Sun, 30 Jan 2005 18:14:38 -0600, Jon Gabrielson > > <[EMAIL PROTECTED]> wrote: > > Asterisk should be able to do this, there are several cases > > when this is essential. The first is a shared/party line where > > asterisk cannot have guaranteed access for whatever reason. > > In our case, that reason happens to be because we also use > > our outgoing lines for faxing. > > The second is that without dialtone detection, if for some > > reason the line is down, asterisk needs to know so that it can > > try a different outgoing line. If the first line is down, asterisk > > shouldn't hang, it should wait a few seconds and try to dial > > out on the next line. > > this is the feature which other PBXs have. the ability to detect out > of order lines (no dialtone - used by others) . > btw, as i said before a feature request about this is submitted to bug > tracker at http://bugs.digium.com/bug_view_page.php?bug_id=0002612. > suppose that any followups could be done there. maybe setting bounty > on this issue speedup the process! > > thanks, > Paradise Dove > > > Jon. > > > > On Sunday 30 January 2005 04:13 pm, Steven Critchfield wrote: > > > On Sun, 2005-01-30 at 13:40 -0600, Jon Gabrielson wrote: > > > > Can't asterisk look for a dialtone? Even a $5 modem > > > > can detect whether or not there is a dialtone. > > > > > > Maybe you should just use your $5 modem and write your own software. > > > > > > Asterisk is a PBX. PBXs shouldn't have to deal with your bastardized > > > setup that doesn't respect the normal way in which a PBX is set up. A > > > PBX sits between the PSTN and ALL other access to the PSTN. In doing > > > so, asterisk can know ahead of time that the line is available. If you > > > wait for dialtone detection, then you have to also make code to > > > understand all international dialtones as well. Then you have to delay > > > dial till you are certain it is the tone you are expecting. > > > > > > > On Sunday 30 January 2005 10:37 am, Wilson Pickett wrote: > > > > > > When I place a call with asterisk, asterisk will try to dial > > > > > > out on the first line even if the first line is already being > > > > > > used by someone else. Any ideas on what I'm doing > > > > > > wrong? > > > > > > > > > > My question would be, how would asterisk know the line is in use if > > > > > it isn't controlling it? > > > > _______________________________________________ > > Asterisk-Users mailing list > > Asterisk-Users@lists.digium.com > > http://lists.digium.com/mailman/listinfo/asterisk-users > > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users