Highly customizable VoIP SDK to accelerate development of SIP applications

ZOIPER Communicator is a softphone with video, chat and fax

Softphone for PC-telephony using TAPI, CAPI or SIP plus answering machine

Easy to use VoIP softphone with profile and contact management.

Internet phone to make calls using your PC

An easy to use Internet phone for Mac OS X with crystal clear voice quality

Freeware SIP video softphone for Windows for VoIP providers and SIP PBX.

The Express Talk softphone works like a telephone to let you make calls through your computer and you can call anyone via the internet who has installed it (or any other SIP softphone). Connect your webcam or other video device and you can see and speak t

Internet phone to make calls using your PC

Internet phone to make calls using your PC

The Mizu softphone offers seamless integration with any VOIP environment

Easy to use SIP client without vendor locking

Visual C++.Net is a high level programming language that can be used for creating professional VoIP solutions that use the extraordinary background support of Ozeki VoIP SIP SDK

Adore Softphone comes with an intuitive Graphical User Interface and can be easily customized and personalized