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If you’ve been a VoIP regular during the past decade then you’re probably already aware that the automatic redial function has disappeared from both Asterisk® and most SIP phones. In these difficult times of trying to connect with critical services and radio contests, we thought it was a good time to introduce the Incredible Redialer. It should perform well on most Asterisk platforms with FreePBX® as well as current releases of Incredible PBX®.
How It Works. The Incredible Redialer assumes you have an Outbound Route to process 10-digit calls. If not, you can adjust the code to meet your local or international calling patterns. For the default install, a caller simply dials 2 plus a 10-digit number, and the Incredible Redialer will repeatedly dial the 10-digit number every five seconds until the call completes without a busy signal. No CDR entries are logged to avoid clutter.
Installation. On FreePBX-based systems including Incredible PBX platforms, edit extensions_custom.conf in /etc/asterisk. Just below the [from-internal-custom] line at the top of the file, insert the following code:
;# // BEGIN Redialer
exten => _2NXXNXXXXXX,1,Answer
exten => _2NXXNXXXXXX,n(dialnow),Wait(5)
exten => _2NXXNXXXXXX,n,Set(NUM2CALL=${EXTEN:1})
exten => _2NXXNXXXXXX,n,Dial(local/${NUM2CALL}@from-internal)
exten => _2NXXNXXXXXX,n,Goto(dialnow)
exten => s-CANCEL,1,Hangup
exten => s-NOANSWER,1,Hangup
exten => s-BUSY,1(redial),Goto(dialnow)
exten => s-CONGESTION,1(congestion),Goto(dialnow)
exten => s-CHANUNAVAIL,1,Hangup
exten => s-,1,Hangup
exten => _s-.,1,Hangup
;# // END Redialer
If your dialplan requires 11-digit numbers beginning with a 1, then edit the five lines beginning with _2 and change the entries to _21. You can make similar changes to support international dialing prefixes. If you’d prefer a dialing prefix other than 2, then replace the 2 in the _2 lines with the prefix of your choice. Save the file and then reload your Asterisk dialplan: asterisk -rx "dialplan reload"
Testing Incredible Redialer. We’ve set up a test number in the United States that always rings busy. Feel free to call it to try things out from your own PBX: 843-606-0555. Enjoy!
Originally published: Monday, May 4, 2020
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The lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.
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Special Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
Check:
Installation. On FreePBX-based systems including Incredible PBX platforms, edit extensions_custon.conf in /etc/asterisk. Just below the [from-internal-custom] line at the top of the file, insert the following code:
custom.conf is misspelled – Just FYI for your posting
(TomS)
[WM: Fixed. Thanks.]
MUCH appreciated! I was wondering why camp-on was absent in Asterisk when Vonage had it back in the mid 2000s. A local Italian restaurant / pizza shop here is difficult to reach in normal times, even moreso now with it being one of the few places open. It took me over 15 minutes and lord-only-knows how many presses of the Redial button to get through to them last week. And yes, my CDR log has pages of the redials.