Category Archives: VoIP

Building a PBX with the Raspberry Pi

When talking about PBX setups the most common software package is Asterisk. That’s what’s at work here, rolled up with a bunch of other helpful software in an RPi targeted distro called Incredible PBX. All it takes to get up and running is to partition and burn the image to an SD like any other RPi distro.

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Filed under Raspberry Pi, VoIP

IETF Opus Interactive Audio Codec

The Opus codec is designed for interactive speech and audio transmission over the Internet. It is designed by the IETF Codec Working Group and incorporates technology from Skype’s SILK codec and Xiph.Org’s CELT codec.

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Filed under Codec, VoIP

Sipe – Pidgin plugin for Microsoft OCS

This project develops a third-party plugin for the Pidgin multi-protocol instant messenger. It implements the extended version of SIP/SIMPLE used by various products:

  • Microsoft Office Communications Server (OCS 2007/2007 R2 and newer)
  • Microsoft Live Communications Server (LCS 2003/2005)
  • Reuters Messaging

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Filed under Unified Communication, VoIP

Open Source Video Conference

OpenMeetings is a free browser-based software that allows you to set up instantly a conference in the Web. You can use your microphone or webcam, share documents on a white board, share your screen or record meetings. It is available as hosted service or you download and install a package on your server with no limitations in usage or users.

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Filed under SIP, VoIP, Web Conferencing

Instant Messaging in the Enterprise

Used responsibly, instant messaging (IM) offers the benefit of instant communication and collaboration on the corporate intranet. However, many companies, fearing IM’s adverse affect on productivity, tweak their corporate firewalls to block all ports ferrying IM traffic. A better approach is to control the IM server by bringing it in-house. The Java-based cross-platform Openfire application makes it easy to host your own instant messaging server.

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CT FAX, a unique open source faxing solution

CT FAX is an open source (AGPL v 3) based buisness solution especially for faxing along with support of SMS and Voip with advance web based billing capabilities featuring TIME, Per PAGE and Per SMS based Billing , It supports G.711 , T.38 and PSTN faxing .ICTFAX is complete faxing solution and does not need to be integerated with other open source projects to function properly that makes ICTFAX a unique and innovative faxing solution.

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Filed under Uncategorized, VoIP

OfficeSIP Softphone and OfficeSIP Messenger

OfficeSIP Communications makes its two enterprise VoIP SIP clients officially open-source. OfficeSIP Softphone and OfficeSIP Messenger are now publicly available, and their source code published under the GPL license. The two products complete with the source code are available for immediate download at the company’s Web site.

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Filed under SIP, VoIP

Asterisk vs OpenSIPS

It’s certain that you have heard about the Asterisk IP-PBX project but it is possible that you have not heard about OpenSIPS. VOIP Today provides the readers with a comparison between Asterisk IP-PBX project and OpenSIPS platforms.

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Filed under SIP, Unified Communication, VoIP

UCSniff Overview

UCSniff is a VoIP & IP Video Security Assessment tool that integrates existing open source software into several useful features, allowing VoIP and IP Video owners and security professionals to rapidly test for the threat of unauthorized VoIP and Video Eavesdropping.

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Filed under Security, VoIP

pjsip – embedded SIP stacks/SDKs

PJSIP and PJMEDIA are open source, high performance, small footprint SIP and media stack written in C language for building embedded/non-embedded VoIP applications. Link

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Filed under SIP, VoIP

Free Telephony Project

The goal of this project is to provide free hardware designs for telephone systems. Both the hardware and software are open. You are free to copy, modify and re-use the hardware designs. The hardware for a complete embedded Asterisk IP PBX (including multiple analog ports or a T1/E1) can be built for a few hundred dollars. No PC required! Continue reading

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Filed under VoIP