Projects

Asterisk

Asterisk is a complete PBX and telephony toolkit in software. It runs on Linux, *BSD, MacOSX, and Solaris. It provides all of the features you would expect from a PBX and more as it enables developers to build customized voice applications of many types. Asterisk does voice over IP in many ... [More] protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware. [Less]

FreeSWITCH

FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communication protocols using audio, video, text or any other form of media. It was created in 2006 to fill the void left by proprietary commercial solutions. FreeSWITCH also provides a ... [More] stable telephony platform on which many telephony applications can be developed using a wide range of free tools. [Less]

FreePBX

FreePBX is a full-featured PBX web application. If you've looked into Asterisk, you know that it doesn't come with any "built in" programming. You can't plug a phone into it and make it work without editing configuration files, writing dialplans, and various messing about. ... [More] FreePBX simplifies this by giving you pre-programmed functionality accessible by a user-friendly web interfaces that allows you to have a fully functional PBX pretty much straight away with no programming required. Some of the features include voicemail, IVR menus, conferencing, paging, ring groups, call routing, queues, and many more. [Less]

blue.box project

blue.box is an open-source configuration and management software enabling the use of the FreeSWITCH and Asterisk switching libraries. It supports multi-tenancy, skinning and is completely open-source. It can be used with database and file replication to scale up to thousands of registered devices ... [More] and simultaneous phone calls. It can operate in the cloud or on the premise. blue.box development is hosted and funded by the 2600hz project. http://www.2600hz.org [Less]

Kazoo Platform

Kazoo is a scalable, distributed, cloud-based telephony platform that allows you to build powerful telephony applications with a rich set of APIs. Designed to handle anything from large carrier to small countries, the Whistle infrastructure can do it all. There are no lock-ins and the software is ... [More] open-source to give you complete freedom. Services include: - Complete redundancy and failover between data centers - Complete replication of all data - Use of Map/Reduce algorithms inside NoSQL databases - Multi-master replication and caching of registrations, active channels and call lookups - Load balancing built-in - Event driven messaging for managing and using calls - A complete REST interface for implementing call flow features [Less]

sipXecs IP PBX

sipXecs IP PBX (Enterprise Communications Server) is an open source software implementation of a Session Initiation Protocol (SIP) based unified communications system (IP PBX). Similar to a traditional private branch exchange (PBX), it allows a number of attached telephones to make calls to one ... [More] another, and to connect to other telephone services including the PSTN and SIP Trunking services. sipXecs IP PBX is an open source alternative to commercial PBX offerings. It is easy to use and scales to several thousand users. [Less]

CallWeaver

CallWeaver is a community-driven vendor-independent cross-platform open source PBX software project (formerly known as OpenPBX.org). It was originally derived from Asterisk. Now it supports analog and digital PSTN telephony, multi-protocol voice over IP telephony, fax, software-fax, T.38 fax over IP ... [More] and many telephony applications such as IVR, conferencing and callcenter queue management. [Less]

Yate

Yet Another Telephony Engine is a next-generation telephony engine; while currently focused on Voice over Internet Protocol (VoIP) and PSTN, its power lies in its ability to be easily extended. Voice, video, data and instant messaging can all be unified under Yate's flexible routing engine ... [More] , maximizing communications efficiency and minimizing infrastructure costs for businesses. [Less]

A2Billing

A2Billing complements the Asterisk project by enabling the following features on both TDM and VoIP calls: Traditional calling card services Credit limit on both pre-paid and post-paid customers Callback services Residential VoIP services Wholesale minutes termination Monthly/weekly free ... [More] calling packages Invoicing Paypal, Moneybookers and Authorize.net integration. The project is easy to use and is frequently seen on FreePBX installations to bring accountability to small offices' phone usage. For ITSP and traditional telco wholesale usage it has been seen to easily scale to millions of minutes per month, with 100,000s rates across many trunks. Work is in progress to further enhance A2Billing's scalability and availability. [Less]

Zoiper Free IAX and SIP softphone

ZOIPER 2.0 Free SIP and IAX is a user-friendly softphone, compatible with Asterisk or any other SIP or IAX capable system. Great VoIP calling experience with features like: SIP + IAX / IAX 2 protocols Available codecs – GSM, ulaw, alaw, speex, ilbc STUN support STUN server per account Two ... [More] accounts DTMF tones sending Echo cancellation Codec settings per account Account password encryption Call history Hold function Quick dial panel Optional Automatic pop-up window for incoming call Call logs Minimize on tray Minimize on start up Always on top Adaptive Jitter Buffer Support for multiple audio devices Address book Quickdial pad Automatic user registration Call transfer Voice mail message information Portable ZoIPer with portable devices (like USB, flashcards, etc.) Multilanguage support [Less]