Asterisk Blog - Page 22

How to manage your Asterisk PBX These are suggestions on how to setup and manage your Asterisk PBX. edit: Half of the stuff in here is completely false. Take it all with a grain of salt. Caching nameserver:…

Asterisk on Linksys NSLU2 The Linksys NSLU2 (Network Storage Link for USB 2.0 Disk Drives) is a Network-attached storage (NAS) device that has user-modifable firmware. As usual there’s more than just one way to play with Linux (and…

Page Contents Echo cancellation in Asterisk How does echo cancellation work? Too much of a good thing Don’t trust your ears… Gain configuration Terminology Echo cancellation in Asterisk fxotune Echo and VoIP Fax-tone detection See Also Echo cancellation…

How to install Festival for Asterisk usage Festival is a text-to-speech application that is callable from within Asterisk. Voice is rather rough, but usable. The current version of Festival as of this page update is 1.95beta. Festival can…

What is a Channel? A channel is a connection which brings in a call to the Asterisk PBX. A channel could be a connection to an ordinary telephone handset or an ordinary telephone line, or to a logical…

Drivers for Linux Capi 2.0 Page Contents Status monitor? Open questions Remote CAPI: ISDN over TCP Howto: Using the S0 (BRI) on Fritz!Box Fon 7050 via remote capi rcapid on Linux (here: OpenSuSE) Fritz!Box with native NetCAPI and…

Converting WAV files You just recorded a fabulous audio file to use as your main voice menu. Then you realize that Asterisk does not use WAV format audio for the Playback or Background applications. So what do you…

VoiceBlue with Asterisk IP PBX How to The article was originally published at www.2n.cz. The present document is a step-by-step guide for configuring the Ateus VoiceBlue VoIP GSM gateway and Asterisk software IP PBX. It includes essential steps…

Page Contents Using Variables in Asterisk Dialplans Inheritance of Channel Variables Example Using $ Predefined Channel Variables Application-specific variables Macro-specific variables Call files extension specific variables Environment Variables String Handling Functions String Length Substrings String Concatenation Variable math…

Synopsis Record user voice or video input to a file Description Prior to ca. 2004-11-01 Record(filename:format[|silence][|maxduration][|option]) After 2004-11-01 (cvs) and in Asterisk v1.2 Record(filename.format[|silence][|maxduration][|option]) Records from the current channel to a sound file saved with the given filename….

extensions.conf – This is your Dialplan Here, we aren’t talking about the physical extension, such as the physical phone. Instead,the configuration file “extensions.conf” contains the “dial plan” of Asterisk. It is your master plan of control or execution…

IAX2 / SIP peers in MySQL Database The SIP and IAX2 channels support definition of friends in a Mysql database. To enable this, you need to edit the Makefile in the channels directory of your source tree and…

AstManProxy is a multi-threaded proxy server for Asterisk written in C/P-threads. It is designed to handle communication with multiple Asterisk servers and to act as a single point of contact for applications. Astmanproxy supports multiple input/output formats, including…

Asterisk and Lucent Definity Integration release 6+ A quick and dirty explanation on how to integrate Asterisk with a Lucent Definity System via a PRI-ISDN connection. This was initially done on a release 6 g3si, connecting to a…