Asterisk Cookbook: Solutions to Everyday Telephony Problems by Leif Madsen

By Leif Madsen

Asterisk has a wealth of gains that will help you customise your PBX to fill very particular company wishes. This brief cookbook deals recipes for tackling dialplan basics, making and controlling calls, and tracking channels on your PBX atmosphere. each one recipe features a easy code answer you could positioned to paintings instantly, in addition to an in depth dialogue that gives perception into why and the way the recipe works.

This publication specializes in Asterisk 1.8, even supposing some of the conventions and data offered are version-agnostic. those recipes comprise options to assist you:

  • Authenticate callers prior to relocating on on your dialplan
  • Redirect calls got by way of your auto-attendant
  • Create an automated call-back service
  • Initiate hot-desking to login to and settle for calls at any workplace device
  • Monitor and interrupt stay calls to coach new staff at a choice center
  • Record calls out of your Asterisk dialplan

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Extra resources for Asterisk Cookbook: Solutions to Everyday Telephony Problems (Oreilly Cookbooks)

Example text

Control will return to the Dial() application and the caller and callee will be bridged together. The called party presses 2 to reject. The call will jump to the 2 extension which sets the GOSUB_RESULT variable to BUSY. Dial() will treat this outbound call attempt as busy. The caller presses a different key. Asterisk will look for an extension that matches the key that was pressed but will not find one. The call will instead go to the i extension, which stands for invalid. info The GOSUB_RESULT variable will be set to BUSY and Dial() will treat this outbound call attempt as busy.

Low Pitch is lowered. lower Pitch is lowered more. lowest Pitch is lowered one full octave. 0. 0 has no effect on the pitch. 0 will raise the pitch. This can provide some fine grained tuning of the pitch so that you don’t sound like a robot or Mickey Mouse (which simply has the effect of being funny, and also makes you difficult to understand). Testing can be done either by dialing another extension at your desk, or making use of the Record() application and then listening to the audio recorded.

It just depends on your requirements. conf). t Talk-only—don’t listen to audio. Not necessary, but could save on resources. q Quiet join—don’t play join sounds when connecting to the conference (suppresses the beep audio file). Our example is a barebones implementation, but with further development, this could be expanded to limit conference lengths with audio being injected periodically to let the participants know how long is left. Or for weekly meetings, agenda items could be injected into the conference to make sure things progress during the allocated meeting time much like is done on shows like Pardon The Interruption.

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