OpenWengo is an free and open source voice-over-ip, and video conferencing application. The latest version of the software is always available on the Openwengo website.

OpenWengo 2.1 is licenced under the GPL, and is free software. It supports the following features:

• fully SIP-compliant softphone with audio, video, and presence support
• Instant messaging features including support for Jabber/GoogleTalk, AIM/ICQ, MSN and Yahoo (though with limited support for the specific features of each protocol)
• available for Linux, MacOSX, and Windows
• PSTN integration with call-in and call-out features
• NAT traversal including STUN and HTTP proxy support
• File transfer capabilities
• use of libgaim from Gaim to allow interoperability with many IM protocols.
• Connectivity to other SIP providers apart from Wengo
• Encryption using SRTP with AES 128 bit standard encryption.
• 100% translations for 13 languages.

The WengoPhone product is created by the OpenWengo project, and is being developed by both paid and unpaid developers.
The project is developed by Wengo, a subsidiary of the second heaviest PSTN/ADSL network in France

All versions of WengoPhone are available from Wengo,
Downloads of the latest stable version are available on the OpenWengo project home page.
Daily builds of WengoPhone NG are also available from http://download.wengo.com/nightlybuilds/

For more information, see http://www.openwengo.org

See Also

• OpenWengo Development Information
• Asterisk settings for Wengo (this is for the Wengo commerical service)
• Patch for asterisk 1.4 which adds support for openwengo's wideband speex