VoIP SIP SDK with DLL, ActiveX and .NET 1.3

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VoIP SIP SDK with DLL, ActiveX and .NET - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new 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. It accelerates the development of SIP/ RTP compliant soft phone with a fully-customizable user interface and brand name.Features:VoIP conferencing with crystal clear sound even for both low   and high-bandwidth users (Speex Codec)Full Duplex - VoIP conferencing solution (multi-user conferences)Comes with Windows as well Linux server (running as service).Work with DirectSound as well with Windows Audio.Remote console server administration (e.g. use telnet to control the server)Administrator EVO Server API (VoIP EVO Admin COM control) - 2 SDK versions   (VoIP EVO Client SDK and VoIP EVO Admin SDK) are available.Record conferences to MP3 - Voice conferencing recording (*.mp3 format)Cryptography (SSL for TCP data transmission and BLOW FISH for UDP data   transmission) is used for Encryption/Decryption (only by Secure Edition).Arrange users in rooms/channels with topics and passwords.Full rooms/channels control including protection.User status control (participant available, away) including status messages.Get user talking function - Check whether a user is talking.Private and public instant text messaging.Broadcast server messages - sending text messages from server to all connected users.Channel Messages as well Message of the Day support.File Transfer - Share files among users in the same channel.Ban/ Un-Ban/ Kick Clients as well as set Client connection number limits.Set Clients to Operator or Administrator for different rights.Listing of participants and rooms/channels.Push-to-talk (set Keyboard shortcuts) to enable voice transmission.VAD (Voice Activity Detection) to enable voice transmission.Denoising - Noise reduction of outgoing audioAGC (auto gain controller) - gaining of outgoing audio by set the voice gain level.Position users using 3D sound.Microphone and Speaker Volume with Mute support.Microphone and Speaker Visualization supportIndividual volume for each user including Mute all.Mic Boost - more Microphone sensitivity8 KHz, 16 KHz and 32 KHz voice recording each with multiple voice quality levels.Throughput between approx. 600 to 6000 bytes/sec. depending on voice quality.Packet loss resistant.Build-In Auto Voice Lag ControllerBound Data Control (Data flow control)NAT (Router) & Firewall friendlyWorks with all kinds of Internet connectionsRoyalty free licensingNo Yearly/Monthly feeVery easy to incorporateComes with VoIP EVO Live Demo (Client and Admin) to demonstrate all the featuresA new conaito VoIP EVO Client Web-based example demonstration is included

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