Equipped with Faxterisk faxing functionalities, Zoiper v2.12 (Biz edition) can receive faxes through SIP with any T.38-capable system.

Windows-based software communications application is designed for businesses, is compatible with Asterisk or any SIP-based IP-PBX, and offers QoS functionality. In addition to TCP/TLS support with SIP, solution offers TLS with SRTP support, automatic provisioning (XML), URL handling, and native conferencing capabilities.

Zoiper incorporates the faxing functionalities of Faxterisk, Attractel's T.38 implementation into the Asterisk open source platform. Now Zoiper can receive faxes through SIP with any T.38 capable system. This new capability is part of Attractel's strategy to promote Zoiper as a reliable business choice of software communications application. Future versions of Zoiper softphone will support full faxing functionalities.

Apart from faxing, the latest Zoiper additions include: TLS with SRTP support; certificate system reset option (Biz edition); support for Yealink chipset-based headset/USB phones (such as Corinex, US Robotics, etc.); QoS functionality: DSCP fields for signalling and media; Improved Zoiper Biz certificate system, and more. Zoiper users are recommended to upgrade to the new 2.12 version for Windows.

Zoiper is a multi-platform IAX and SIP softphone, compatible with Asterisk or any SIP-based IP-PBX. It is available in Free and Biz editions. Most important features of the paid Biz version include: Receiving of T.38 Faxes, TCP/TLS support with SIP, Automatic provisioning (XML), URL handling, Outlook/Thunderbird Integration, Native conferencing, API, Attended transfer, Changeable number of lines and more! Both Zoiper editions are also available for either Complete or Basic customization packages.