UniXcape

UniXcape is an internet phone (VoIP), compatible with the SIP protocol.

If you subscribe a VoIP to PSTN (=classic telephony) account to a telecom provider, you can reach everyone that has a "classic" phone line.

Alternatively.

UniXcape available on UniXcape mobility only.

List of supported features:

-Audio with the following codecs: Speex8

-Vdeo with the following codecs: H264

-Chat message

-multiple calls

-audio conferencing

-Address book integration

-Call history

-DTMF (telephone tones) support using SIP INFO or RFC2833