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SIP DLL - A powerful and highly versatile VoIP SDK. Our SIP DLL provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.

VoIP SIP SDK - A powerful and highly versatile VoIP SDK. Our SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.

VoIP SIP SDK - A powerful and highly versatile VoIP SDK. Our SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.

SIP Phone DLL - A powerful and highly versatile VoIP SDK. Our SIP Phone DLL provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.

Vphonet is a communication utility for the home and office environment, including voice pc to pc and pc to phone calls, sms system, file transfer, video conferences and instant messaging. Supports call forwarding, answer machine and virtual number.

Our brand-new VoIP H.323 SDK provides a powerful and highly customizable solution to quickly add H.323 based dial and receive phone calls features in your software applications.

Tool for videoconference on Windows Mobile devices. It allows you to make video phone calls and chat to other communicators and computers with VZOchat software installed. Mobile Video Call is supported with 400Mhz CPU or better. Windows Mobile 5, 6

Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.

Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.