[asterisk-users] Busy detection in dialplan - Asterisk 1.6

[Adam Robins]

Didn't work.  It correctly times out after 20 seconds and continues to voicemail, but the caller still hears the remote busy signal during those 20 seconds.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Danny Nicholas
Sent: Thursday, October 21, 2010 9:41 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: Re: [asterisk-users] Busy detection in dialplan - Asterisk 1.6

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Adam Robins
Sent: Thursday, October 21, 2010 7:32 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [asterisk-users] Busy detection in dialplan - Asterisk 1.6

We have an employee who works from home.  We sent her a SIP phone to work as an extension off our Asterisk 1.6 system, but her DSL service is so bad she was dropping calls all the time.  It's not just a tuning or QoS issue.  Her service is simply unreliable.

She had a POTS line installed and I have the dialplan set up so that when her extension is dialed, it calls out over our SIP provider to her 10-digit POTS number.  If she is on the phone and her line is busy, I want Asterisk to place the caller into her Asterisk voicemail rather than hearing a busy signal.

The way I have this working currently is by using Followme without a preceding Dial command.  Seems that the Followme app handles the busy properly.  The problem is that every call she receives is announced and requires her to press 1 to accept or 2 to reject.  I suppose I could modify the Followme code, but I'd rather not.

Any ideas are appreciated.  Thanks.

I know how this works with DAHDI/POTS; don't know what it will do dialing over SIP Exten => 1234,1,Dial(DAHDI/1/w5551212,20,KkTt)
Exten => 1234,n,voicemail(1234 at default)
Exten => 1234,n,hangup
Exten => 1234-BUSY,1,voicemail(1234 at default)
Exten => 1234-CONGESTION,1,voicemail(1234 at default)

When I dial 1234, the other side has 20 seconds (about 4 rings) to pick up.
If no pickup, voicemail is called.  Lines 4 and 5 might (or might not) be redundant


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