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The Asterisk Manager Interface (AMI) allows a client program to connect to an Asterisk instance and issue commands or read events over a TCP/IP stream. Integrators will find this particularly useful when trying to track the state of a telephony client inside Asterisk, and directing that client based on custom (and possibly dynamic) rules. A simple “key: value” line-based protocol is utilized for c

Asterisk an open source framework for building communications applications. It runs on Linux, BSD and OS X and allows you to build a PBX given sufficient Linux and telephony know how. Asterisk does voice over IP in four protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware. Asterisk provides Voicemail services with Directory, Call

When Asterisk starts an AGI script, it feeds the channel variables to the script on standard input. The variable names are prefixed with “agi_” and are separated from their values by a colon and a space. Though the actual channel variables may be in the upper case, the names passed to an AGI script are all lower case. Global variables are not passed to the AGI script in this manner. You must get t

Open Source VOIP applications, both clients and servers. SIP Proxies Sip I/O Lightweight sip proxy, location server, and registrar SBO SIP Proxy Bypass All types of Internet Firewall JAIN-SIP Proxy Mini-SIP-Proxy A very tiny perl POE based SIP proxy MjServer cross-platform SIP proxy/registrar/redirect, written in java, based on MjSip stack MySIPSwitch SIP Proxy server which allows using multiple S

VoIP-info is your go-to website for anything VOIP. This includes VoIP software & hardware, service providers, tips and tricks as well as anything related to voice over IP networks, IP telephony and Internet Telephony. Latest Contributions We love receiving your contributions. If you want to add a page register  to create an account and start typing! Upon approval your page will be published and ed

STUN (Simple Traversal of UDP through NATs (Network Address Translation)) is a protocol for assisting devices behind a NAT firewall or router with their packet routing. RFC 5389 redefines the term STUN as ‘Session Traversal Utilities for NAT’. Note: The STUN RFC states: This protocol is not a cure-all for the problems associated with NAT. STUN enables a device to find out its public IP address and