VISUAL Cpp .NET VOIP SOFTPHONE EXAMPLE Ozeki SIP SDK to develop Visual C++.Net softphone to make & receive VoIP calls
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VoIP Softphone .NET SDK sip sdk Visual C++ Softphone IVR SDK C++.NET softphone dtmf sdk

VISUAL Cpp .NET VOIP SOFTPHONE EXAMPLE Description

Ozeki VoIP SIP .Net SDK to develop Visual C++.Net softphone to make & receive VoIP calls. The sample program has basic telephony functions, handles DTMF signals and customizable with further effective functions & company logo or brand name. It delivers crystal clear sound due to the extended codec support. It has all the functions for establishing phone calls like make/recieve call sending/receiving DTMF signals to navigate in IVR systems and display call events on GUI. Ozeki VoIP SIP SDK has been developed to ensure excellent sound quality. For this purpose various codecs are supported: G.711 aLaw/uLaw, G.729, iLBC, GSM, G.722, SPEEX, SPEEX-WB. To make/receive VoIP phone calls, the WPF softphone is compatible with almost all PBX systems like Asterisk PBX, Cisco UCM, 3CX Phone System, Kamailio PBX, etc. Ozeki SIP SDK also works with almost all VoIP service providers (Skype Connect, Gafachi, Callcentric, SureVoIP, VoIPtalk, etc.) due to that it is fully standard compliant. Information can be gathered about the phone line status with the PBX like successful or unsuccessful registration, registered or not registered. The source code can be downloaded freely to use it or modify it. Due to the flexibility of Ozeki SIP SDK, the developed softphone can be further improved with features like: Jitter buffer, Voice Activity Detection, Acoustic Echo Cancellation, Packet Lost Concealment (PLC), Call timer, Customized with Company Logo/Name, Unlimited User License, Full HD video, Multiple lines for multiple concurrent calls, Conferencing, Call history, Quick calling and re-dialing, etc. The sample program handles one telephone line but with Ozeki SIP SDK there is an opportunity for developing and using multiple telephone lines simultaneously. After an Ozeki SIP SDK .Net license has been purchased you can feely use the license with your product and may freely distribute your product in as many copies as you want and no royalties or license fees are needed to be paid for Ozeki

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