Make voice over IP calls, with several SIP profiles, using PhonerLite

PhonerLite allows you to use your PC for internet telephony (VoIP, Voice over IP).

You need also a full-duplex sound card, a microphone and speakers (alternatively a headset), an internet connection supporting the SIP protocol.

PhonerLite supports several SIP profiles, each configurable independently, and includes a phone book.

Note that there is no answering machine and no support for TTS.