3CX released a new version of its free VoIP softphone for Windows – 3CXPhone 4.0.

3CXPhone is a free, SIP-based VoIP phone that allows to use any PC or laptop as a phone. Making calls to any VoIP, mobile or landline number is possible after connecting 3CXPhone to a VOIP provider or to a VoIP PBX. With 3CX Gateway for Skype users can also make and receive calls to Skype numbers.

3CXPhone allows to choose from several popular phone interfaces (Nokia, iPhone), features multi-line capability (up to 3 lines), ability to transfer calls, calls to disk recording and works with Asterisk and popular VoIP providers.

It supporst G.711, GSM, iLBC and Speex codecs as well as USB and Plantronics headsets and also features STUN support for NAT/firewall traversal.

3CXPhone is provided completely free of charge to individuals and organizations including commercial entities (all features, including call transfer, are enabled).

“The soft-phone is becoming a serious ‘IP phone option’ for businesses. They are easy to manage, save on electricity and administration,” said Nick Galea, 3CX CEO.

“3CXPhone can easily be configured as a remote extension, allowing users away from the office to easily connect to the corporate phone system. The unique tunnel feature proxies all SIP & RTP traffic over a single port and makes firewall and NAT configuration a breeze. It is also possible to configure it as a remote extension using ‘direct SIP’,” he explained.

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