Phoner is Free electronic portable VoIP Internet Phone software that enables a user to make and receive VoIP calls through SIP. Perform Voice over IP communication with your friends, colleagues, clients etc. You can even send emails via the built in SMTP client. With Phoner, users can send SMS to mobile phones, record messages via an onboard answering machine and much more. This VoIP application requires 5.9MB of disk space for installation.
Phoner Portable VoIP Screenshot:
Authors Website: phoner.de/download_en.htm
Download: Get this Portable VoIP Software HERE