Author: VoIP Info
Channels and Groups
Posted: February 9, 2005 There are three different kind of groups in Asterisk: (1) group=blah — This is used to bundle (typically trunk) interfaces together so that you can use something like Dial,Zap/g2/…. to use any of the channels in group 2….
Read More »Cisco 7920
Posted: February 9, 2005 The 7920 phone from cisco is a Wireless 802.11b phone. Cisco does not provide any SIP firwmare for this Wireless Phone. Only the Skinny protocol is supported. WEP and WPA security are supported with the latest firmwares so…
Read More »Asterisk sip type
Posted: February 9, 2005 Values for “type” keywords in sip.conf and iax.conf type = value peer: A SIP entity to which Asterisk sends calls (a SIP provider for example). If you want a user (extension) to have multiple phones, define an extension…
Read More »LetsRing
Posted: February 8, 2005 Let’s Ring Unlimited calls to a country of your choice! Choose the packages that best fist if you make phone calls into one sprecific country or Europe & USA Flat. if you want the freedom to make…
Read More »PBX features
Posted: February 7, 2005 A list of features a PBX might support: Account Code: Account code for dialing calls Alternate Number Ring: Assign a different number to same line that rings with a different cadence Attendant: Main Operator extension Autodialer: Support multiple…
Read More »Modem over VOIP
Posted: February 7, 2005 If you are replacing an analog PSTN line with VOIP service, in addition to ordinary phones, there may be other devices that contain data modems that were using the PSTN line. Examples are: Tivo, POS Terminals, FAX machines,…
Read More »Asterisk cmd System
Posted: February 6, 2005 This document is out of date! Please visit the Asterisk wiki for up to date information — App_System Documentation. For historical reference, the original information is below. System() For Asterisk >=1.2 Synopsis Execute a system (Linux shell) command…
Read More »Asterisk Sipura-3000 Assistant
Posted: February 4, 2005 Many many users have emailed us and asked about a means to connect their Mac based Asterisk servers to a PSTN phone line. Since there are no Zaptel drivers for MacOSX yet, the obvious thing would be an…
Read More »Application PrepaidAuthCID
Posted: February 4, 2005 Application PrepaidAuthCID Description This application takes as an argument a CALLERID such as “${CALLERIDNUM}”, it will then authenticate the callerid against a database. How it works PrepaidAuthCID does a database lookup for the given CallerID – the…
Read More »Asterisk Nortel Line Side T1
Posted: February 4, 2005 The line side T1 card is a station card. It emulates a 500TN in the Meridian 1 (an analog station port). As far as the M1 is concerned, all the channels off this card are analog telephones. This…
Read More »Perl
Posted: February 4, 2005 Practical extraction and reporting language, or Perl, is a scripting language first created by Larry Wall to be used as duct tape for programming with the Unix operating system. Due to its immense power for handling piles of…
Read More »Asterisk cmd ZapRAS
Posted: February 3, 2005 Synopsis The ZapRAS command is for use with Asterisk ZAP channels ISDN connections. It provides a Remote Access Server (RAS) to permit you to use some of your ISDN channels as data channels to give you a data…
Read More »SRTP
Posted: February 2, 2005 SRTP is a security profile for RTP that adds confidentiality, message authentication, and replay protection to that protocol. It is an action item in the IETF Audio-Video Transport Working Group, where it is an Internet Draft and is…
Read More »Asterisk phone Kphone
Posted: February 2, 2005 How to configure Asterisk for KPhone 4.0.1 Asterisk configuration In this sample configuration, 192.168.0.1 represents the Asterisk server and 192.168.0.2 is the client running Kphone. Configure Asterisk to accept registration and inbound calls in sip.conf like this: [general]…
Read More »Asterisk Dialplan General
Posted: February 1, 2005 extensions.conf General Settings Section At the top of the extensions.conf file there should be a section with this label: [general] Here you define a few general options regarding the Dialplan. static: At this stage, this option affects only…
Read More »
Phone System 