Ekiga is an open source SoftPhone, Video Conferencing and Instant Messenger application over the Internet. It supports HD sound quality and video up to DVD size and quality. It is interoperable with many other standard compliant softwares, hardwares and service providers as it uses both the major telephony standards (SIP and H.323). It supports many high-quality audio and video codecs.
- Ease of use with a modern Graphical User Interface.
- Audio and Video free calls through the internet.
- Free Instant Messaging through the internet with Presence support.
- Audio (and video) calls to landlines and cell phones with support to the cheapest service providers.
- High Definition Sound (wideband) and Video Quality up to DVD quality (high framerate, state of the art quality codec and frame size).
- Free of choice of the service provider.
- SMS to cell phones if the service provider supports it (like the default provider).
- [advt]Standard Telephony features support like Call Hold, Call Transfer, Call Forwarding, DTMF.
- Remote and Local Address Book support: Remote Address Book support with authentification using the standard LDAP technology, Local Address support in Gnome (Evolution).
- Multi platform: Windows and GNU/Linux
- Wide interoperability: Ekiga use the main deployed stantards for telephony protocols (SIP and H.323) and has been tested with a wide range of softphones, hardphones, PBX and service providers.