C# VOIP SOFTPHONE DEVELOPMENT EXAMPLE 9.2.0
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ABOUT C# VOIP SOFTPHONE DEVELOPMENT EXAMPLE
Ozeki VoIP SIP .Net SDK to develop a C# SIP softphone to make/receive VoIP calls with basic telephony functions. The sample program can be easily extended for video calling or any other special functions due to the flexibility of Ozeki SIP SDK. Ozeki VoIP SIP SDK ensures crystal clear voice due to echo cancellation and extended codec support. It also works with almost all PBXs like Cisco UCM, Asterisk, 3 CX, etc., and compatible with several online VoIP provider. The aim of this Ozeki VoIP SIP Softphone sample program is to demonstrate how easy it is to develop a C# softphone based on Ozeki SIP SDK. The softphone will automatically register to the PBX after starting it. The Ozeki VoIP SIP Softphone's GUI basically includes two panels, one for displaying telephone related information and the other for creating the keypad that contains the numeric keys, the * and # keys and two function keys for picking up and hanging up the phone. 4 labels are on the display: RegistrationState, ConnectionState, Username and DialedNumber. Outstanding features of Ozeki SDK: EXTENDED CODEC SUPPORT: Ozeki SIP SDK has been developed to ensure excellent sound quality. For this purpose various codecs are supported: G.711 aLaw/uLaw, G.729(b), iLBC, GSM, G.722, SPEEX, SPEEX-WB. CUSTOMIZABLE FEATURES AND GUI: You can easily customize the features and GUI of your softphone. NAT AND FIREWALL SUPPORT: Ozeki SIP SDK allows to make and receive phone calls behind NAT/firewall by letting the user set a SIP outbound proxy. You can build telephone solutions that can serve several thousand simultaneous voice/video calls. NO YEARLY/MONTHLY FEE: You don't have to pay any yearly or monthly fee after purchase. ROYALTY FREE LICENSING: After purchasing an Ozeki SIP SDK license, you are free to use Ozeki SIP SDK for.Net license with your product (along with its subsequent versions) and you can freely distribute your product in as many copies as you wish without paying any royalties or license fees to Ozeki