I just wanted to share the solution for this problem. The busydetect feature is working with all cell phone carriers now as well. I added the following to my Zapata.conf. rxgain=4.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Trevor G. Hammonds Sent: Monday, February 19, 2007 12:22 AM To: 'Asterisk Users Mailing List - Non-Commercial Discussion' Subject: RE: [asterisk-users] Problem with busydetect and cell phones > Ryan McDaniel wrote: > >> I have a very strange problem I'm hoping someone has encountered > > already. > >> I've scoured the internet for an answer to this one. My phone > company > >> provides no disconnect supervision. Hence I'm forced to use the > > busydetect > >> feature. I have a TDM400 with two FXO ports. If I call from an > > internal > >> extension to a landline and then hangup the landline Asterisk > detects > > the > >> busy signal correctly and clears the line. If I call from an > internal > >> extension to a cell phone and then hangup the cell phone Asterisk > will > >> never > >> detect the busy signal though it is clearly there. Asterisk will > > happily > >> sit there listening to the busy signal. I suspect that the busy > signal > >> styles are slightly different though it is undetectable to me. How > can > > I > >> fix this??? It causes severe issues when a call is forwarded to a > cell > >> phone via the Zap interfaces as once you hangup the cell phone > Asterisk > >> never releases the channel. > >> > > > > The landlines are with AT&T. The cell phones I'm testing with are > > Cingular (AT&T subsidiary). There must be a subtle difference in the > > busy signals. How can I make it catch busy signals from both > carriers? > > Have you tried calling AT&T and asking for call disconnect supervision? > > I realise that this can be a thankless and tedious endeavour, but it IS > worth trying. There are almost no commercial switches that don't > support > this; it's a matter of activating it for the specific circuit in > software. Particularly if you have a business line -- you can demand > it. > All PBXs need it if they use analog lines (and plenty still do) so I'm > sure this is not an alien concept to AT&T. It's just a matter of > finding > the right Earthling there who can help you. > > This might be one of those times where a "beer with the technician" > will > get you some joy, if calling Repair doesn't give you any joy. > > -Stephen- > > > Unfortunately I tried that. Apparently my lines are on one of the last > really ancient junction boxes in Southern California. When using > busydetect is it looking for any on / off repetitive sound to identify > the busy signal, or for a specific length sound as defined in the > indications.conf region? I'd really like to avoid using callprogress > if > possible. Is there a way to tweak it so it will accept a wider variety > of busy patterns? > > - Ryan Ryan, Even 1AESS switches offer disconnect supervision -- and I am not aware of any of those still in primary service in Southern California. By early 2000, Pacific Bell (then SBC, now AT&T) replaced all the analogue 1As with DMS-100s. If you care to contact me off list, I may be able to help get you in touch with the right department to assist you. Sincerely, Trevor Hammonds _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
