
Author: VoIP Info
Asterisk tips fileexistance
As of Asterisk 1.4 the preferred method for determining if a file exists is using the STAT function: Asterisk func stat Asterisk Tips and Tricks: Branching depending on the existance of one or more files on the local…
Read More »Find next available least cost outbound channel
Dial out routines to find next best lowest cost channel [macro-dial-pstn-sip-iax] ; ; ; This macro tries the PSTN circuit first, then ; fails over to our SIP provider and uses IAX ; as a last resort….
Read More »Asterisk cmd Goto
Synopsis Jump to a particular priority, extension, or context Description Goto([[context|]extension|]priority) Set the priority to the specified value, optionally setting the extension and optionally the context as well. The extension BYEXTENSION is special in that it uses the…
Read More »GSM
GSM stands for Global System for Mobile Communications. It is the dominant mobile phone communication protocol in Europe and also popular elsewhere. The name is also used to describe some of the voice codecs used in the GSM…
Read More »ITU G.722
G.722 is a high bit rate (48/56/64Kbps) ITU standard codec. ITU G series recommendations There was long thread on the one of the Asterisk Mailing Lists recently about the G.722 codec.. Some of the more interesting messages: Andrew…
Read More »Asterisk dCAP
Digium Certified Asterisk Professional dCAP, Digium Certified Asterisk Professional, is a verification of your knowledge of Asterisk gained in the training class. The certification is personal and is given for a version of Asterisk. The current dCAP exam…
Read More »SpectraLink
In 2007, Polycom acquired Spectralink, the industry leader in Voice-over-WiFi technology. This acquisition followed Polycom’s earlier purchase of Kirk Wireless, a leader in DECT wireless equipment manufacturing. These acquisitions enabled Polycom to leapfrog into a leading roll in…
Read More »SIP Registrar Server
From the SIP RFC: Registrar: A registrar is a server that accepts REGISTER requests and places the information it receives in those requests into the location service for the domain it handles. SIP offers a discovery capability. If…
Read More »Asterisk cmd SIPGetHeader
SIPGetHeader() SIPGetHeader is deprecated, use the * Asterisk func sip_header instead. With this app, you can pick any header from an incoming invite and stuff it into a channel variable. It is a generic way of supporting any…
Read More »Azatel
Azatel designs, manufactures and integrates SIP & MGCP related products to provide our partners with highly advanced Analogue Terminal Adapters (ATA) and cost effective SIP solutions. AZACALL200 Our flagship model, the Azacall200, has gained significant industry recognition from…
Read More »Asterisk config manager.conf
Configuration of the Asterisk manager API. Note that activating the manager API opens a TCP port. Make sure you know what you are doing. Maybe it’s enough to just activate this for the local loopback interface, 127.0.0.1. However,…
Read More »Asterisk Network Protocol
Asterisk Network Protocol This page is dedicated to what the future manager interface should be. A Asterisk Networked protocol could bring multiple potentials, here are a list of items. To start, here are brain storming Beable to share…
Read More »Hex Editor
An editor for editing binary files. There contents for the file are shown in Hexidecimal, although binary, decimal, octal, and ASCII display modes may also be available. Windows Hex Editors wxHexEditor http://wxhexeditor.sourceforge.net Opensource – GPL license Native Win32…
Read More »Configuring Cisco 12SP+/30 VIP phones with Asterisk
This page documents how you configure a Cisco 12SP+/30VIP phone with Asterisk. The Cisco 12SP+/30VIP IP Phones are EOL and they are not supported by Cisco anymore. Cisco states that they do not have any listings for this…
Read More »Asterisk config extensions.conf sorting
NOTE: All the explained in this page is not true (at least in Asterisk 1.4.X). For example: [example] exten => _918.,1,Dial(Zap/1/${EXTEN}) exten => _.,1,Dial(Zap/2/${EXTEN}) exten => h,1,Hangup The real sort order is: _918. _. h Major change from…
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