Zoiper Free - Softphone for Windows, Mac OS X and Linux

Zoiper Free is a IAX and SIP softphone for Windows, Mac OS X and Linux. Its user-friendliness, diversity and richness of features set new standards for functionality and perfection.
Choose your operating system, download Zoiper, install it, connect to either a VoIP PBX or any VoIP provider throughout the world and off you go! Zoiper offers outstanding simplicity with enhanced interface to bring a smooth and satisfying VoIP communications experience. Explore the innumerable advantages of VoIP with Zoiper.
Zoiper Free is a IAX and SIP softphone compatible with the Asterisk platform as any other SIP or IAX capable system.

Zoiper Free Edition features

SIP + IAX/IAX 2 protocols, STUN support, STUN server per account, T.38 fax support,Echo cancellation, DTMF tones sending, DSCP support, Support for multiple audio devices, Automatic user registration, Call transfer, Hold function, Codecs: GSM, ulaw, alaw, speex, ilbc, Adaptive Jitter Buffer, Call history, Address book, Quick dial panel, Optional Automatic pop-up window for incoming call, Always on top, Call logs, Voice mail message information, Account password encryption, Upgrade notification, Adjustment of audio device, Codecs priority, Portable storage compatibility, Multilanguage support.

Re-branded Zoiper:Basic: colours, name and logo of your choice,Re-branding with additional development: e.g. changing the language; adding, disabling, removing of menus/options/buttons; adding functionalities;Complete: you can go for complete change of the interface and functionality.

Zoiper Biz, the advanced version of Zoiper Free, gives more features such as Native conferencing, API, TLS/TCP support with SIP, TLS with SRTP support, g.729 (optional), Mail software plug-in: Outlook/Thunderbird integration, Zoiprint printer river and interface, Callto URL protocol, Automatic provisioning (XML), Call forward, Auto answer, Incoming URL handling, Automatic opening of incoming URL, Access voice mail message with one button, Attended transfer (native), Call recording (Single file recordings), Command line dialing, Custom ring tones, Open URL on different call events, Call history,  Call transfer, Unlimited number of accounts, Changeable number of lines (up to 6), More!

Both Zoiper editions may be customized to unique customer requirements. The license of this communication software is Freeware, you can free download and free use this Communication software. It's support Windows, Windows 2000, Windows Vista, Windows XP.

Download Zoiper Free