VoIP Development Kit free download, VoIP Development Kit download on software download

Complete toolkit to easily develop multimedia VoIP applications for the Internet VoIP is an established technology that has, at various degrees, pervaded the telecommunication world. VoIP networks are becoming more and more common and are now ready to offer advanced services to achieve real Multimedia Over IP scenarios.Unfortunately the current situation cannot be fully exploited due to a lack of real VoIP applications: there is just a plethora of soft-phones.VoIP Developmen Kit (VDK) aims to speed-up and ease the development of any VoIP application by giving to programmers a simple, clean, and yet powerful and complete API to our VoIP engine.Programmers now can concentrate on the features and usability of their applications without worrying about the technical and more in-depth aspects of a VoIP-based application.Being able to be run over the most common Operating Systems (Windows, Linux and MacOsX) it will ease the distribution of VoIP-based application to a vast number of users and to add VoIP capabilities to existing software.VDK main interface is for the C++ programming language but there is an external module to use it with Visual Basic and Java Applets, and a Windows Mobile 6.x port is under way. Here are some key features of "VoIP Development Kit": General Features: · Cross-Platform (WindowsOS, Linux, MacOSX) · Fully Asterisk compliant · Multi line conferencing · NAT Friendly SIP: · RFC 3261 compliant · Call Transfer · Call Hold · Do Not Disturb · Instant Messaging (Sip Message) · DTMF support (SIP Info, RFC 2833) · SIPS (SIP Secure) Codecs: · G.711 ALaw · G.711 uLaw · G.729 (needs a separate license, currently working only on windows platform) · GSM · iLBC · Speex (Narrow Band and Wide Band) · G.726 Audio features: · AGC · VAD · PLC · Adaptive dejitter buffer · Source audio from network connection, audio card, file · Source-independent multi-channel audio mixing · File recording of mixed audio · Supported files as audio source (play) WAV (GSM, G.711A/u, PCM) · Supported files for destination (record) WAV (GSM, G.711A/u, PCM) Limitations: · You are not allowed to develop commercial applications with it · No Codec Plugin Framework · No Visual Basic nor Java helper module · Only raw audio files can be created · Only one VoIP call at once can be handled · The number of devices that can be connected at a time is limited to 4 · The only audio codecs available are: PCMU, PCMA and GSM

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