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Zfone is a new secure VoIP phone encryption crossplatform software.
Zfone system is available as the Zfone libZRTP SDK and the Zfone itself.
Technologies
For Unix: C, iptables, ip queue, gtk interface
For MacOS: C, Cocoa, ipfw, divert sockets
For Windows: C, Intermedia NDIS driver, Win API |
Zfone libZRTP SDK (Software Development Kit)
Zfone libZRTP SDK allows VoIP product vendors to integrate encryption into their products.
VoIP developers may use the Zfone libZRTP Software Development Kit to add Zfone's ZRTP protocol to their VoIP applications. This SDK is suitable for inclusion in software VoIP clients, firmware for hardware VoIP phones, VoIP PBX servers, mobile VoIP clients, and SIP border control servers. The SDK enables your VoIP application to interoperate and make secure calls with the rest of the ZRTP community.
Full C source code and quite extensive API documentation are available now. SDK is used on Linux, Windows XP, and Mac OS X to build the Zfone application. We expect it to work with Windows CE and Symbian mobile platforms in the near future.
Adding the Zfone SDK to your products is not like adding other ordinary VoIP components, such as new codecs or other service features. This technology has social benefits. It has the power to change your customer's lives, enabling them to have a private conversation any time they want with anyone, anywhere - without buying a plane ticket.
VoIP developers may use the Zfone libZRTP SDK and reduce their time-to-market quite a bit.
Zfone
Zfone is a new secure VoIP phone software product which lets you make secure encrypted phone calls over the Internet. It lets you whisper in someone's ear from a thousand miles away.
The ZRTP protocol used by Zfone will soon be integrated into many standalone secure VoIP clients, but today we have a software product that lets you turn your existing VoIP client into a secure phone. The current Zfone software runs in the Internet Protocol stack on any Windows XP, Mac OS X, or Linux PC, and intercepts and filters all the VoIP packets as they go in and out of the machine, and secures the call on the fly. You can use a variety of different software VoIP clients to make a VoIP call. The Zfone software detects when the call starts, and initiates a cryptographic key agreement between the two parties, and then proceeds to encrypt and decrypt the voice packets on the fly. It has its own little separate GUI, telling the user if the call is secure. It's as if Zfone were a "bump on the cord", sitting between the VoIP client and the Internet. Think of it as a software bump-on-the-cord. Maybe a bump in the protocol stack.
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| Zfone Preferences Pane for OS Windows Users |
Zfone Preferences Pane for MacOs Users |
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