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...An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks.
Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android.
This is a P2P VoIP system. It support audio and videochat through kademlia-based dht overlay.
The p2p module use Kademlia protocols; Audio codec is G.729.
An simple Introduction here: http://www.needdo.com/2007/09/ppphonekademliap2p-voip/ .
My Personal blog is http://www.idolf.cn and my email is dolfcao@gmail.com .
OfficeSIP Softphone and Messenger are two enterprise VoIP SIP clients written in C# in .NET Framework. The SIP clients make use of Microsoft UCC API SDK, ensuring the highest quality of audio and video. Compatible with Office Communications Server.
See also open source, cross-platform:
1) simple messenger Brief Msg at http://briefmsg.org
2) MUVConf is a multi-user video conferencing, see demo video http://youtu.be/YrBU-Aqtvrk, download https://code.google.com/p/muvconf/downloads/list
My-WIM is a new instant messenger service, which provides chat, white board, voice and videochat, games, file share, file transfer and many more features. Active development started!
PcToPcChat is a new idea on video and audio chat
witch is better than Skype, Yahoo ...
It is a VOIP application (a video phone).
The image and voice is synchronized.
Steganography tool which establishes a full-duplex steganographic data transfer protocol utilizing Real-time Transfer Protocol (RTP) packet payloads as the cover medium. The tool provides interactive chat, file transfer, and remote shell access.
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YaPhone is a Video conferencing and VoIP application for M$Windows. It is H323 and SIP protocol compatibale , based on OpenH323 project (https://sourceforge.net/projects/openh323), written by VC++.
Next generation web-based, multi-tenant, distributed, mulit-lingual, inbound, outbound Video enabled VoIP & VVoIP call/ contact center solution for Asterisk with Built-in phone, IVR, CRM, Predictive dialer, ACD, Chat, Mail, Fax, Video and other features.
Tata messenger is a Java-based instant message sending and receiving tool,most like the microsoft messenger and the Yahoo messenger ,and it will also provides the file transfer ,net meeting(video confrence,video transfer),and file sharing mechanisms
Softphone SIP com voz, vídeo e Mensagem Instantânea.
DTMF, Nat-Traversal, Suporte a Skin(Macromedia Flash), SMS, Historico de Chamadas, Presença, Hold, Auto-Answer e etc.
Sip Softphone with Voice, Video and IM.
SIPNet is a p2p-sip framework, it support IM,audio,video based on p2p-sip protocols, and support file sharing like other p2p programs such as bittorrent. All SIPNet clients join to form a P2P overlay net and find each other using DHT algorithm.
Enable Linux firewall to support connection tracking and NAT of H.323 protocol. It supports RAS, Fast Start, H.245 Tunnelling, Call Forwarding, Signal Proxy/Softswitch, RTP/RTCP and T.120 based audio, video, fax, chat, whiteboard, file transfer, etc.
Audio/Video Conference software for Instant Messengers. It aims to provide Audio/Video conferencing for as many Instant Messengers as possible through a modular design.
Tipic Inc. is proud to announce the born of the first Open Source, P2P, VoIP and Video conferencing solution for XMPP/Jabber. The target of this project is to develop a new portable set of codes using high quality libraries to add VoIP and Video to XMPP
OpenIM is a instant messenger system utilising the XMPP (Internet-standard communication protocol) and is built on the Java platform. It supports many popular systems (MSN, ICQ, AIM, Jabber, Google Talk etc.) and supports Voice (and Video) Over IP.
OpenMC : The Open Source Multimedia Center for your Television
An HTPC / VCR / PVR / TV / Jukenbox Plug In driven Application for your PC
Mixing Multimedia and Web technologies for the best ergonomy !
CaminoTalks is a open source, cross platform videoconferencing system. It is designed to work behind a firewall and can have mutiple connections. It works with all popular Messengers like MSN, AIM, ICQ, GAIM. It overcome Netmeeting/H323.Videoconference.
openVideoPhone is a Audio/Video/Messages communication tool using contactList and LDAP directories
This project compile under Linux and Windows using Qt 3.0, the compatibility will be taken back to Qt 2.3 for Windows users.
Audio/Video communicatio