X-lite

X-lite from Xten is a software client (program) that turns your computer into an internet phone. This is an excellent softphone, even though it is free to download.

This will work best on adsl connections, or any other broadband connection.

Price: free

Features:

- Supports SIP protocol

- Supports STUN for SIP NAT traversal

- Call PSTN with VoIP termination service

- Support GSM, iLBC, SPX, G.711 codecs

- Echo cancellation

This softphone is available for download from Xten networks -here: