SIP DLL is a VoIP SDK that empowers software applications with SIP-based dial and receive phone calls features. It is versatile and effective, providing a seamless solution to quickly add this functionality to software.

The SIP DLL also includes a high-performance VoIP conferencing client able to provide clear sound for low and high-bandwidth users and SIP compatible devices, both hardware and software. The software enables global communication over the internet or internal networks via speaking and/or messaging. It delivers superior voice quality by integrating configurable digital voice processing features such as auto gain controller, acoustic echo cancellation, noise cancellation, reverb cancellation, and Voice activity detection.
Features of the SIP DLL include making and receiving SIP calls through any SIP gateway or SIP compliant IP-Telephony service provider, VoIP conferencing with crystal clear sound for low and high-bandwidth users, registration on the SIP server (SIP Registrar), instant text messaging, microphone and speaker visualization support, microphone and speaker volume with mute support, audio device selection, fully-customizable user interface, packet loss resistance, OLE Automation (scripting) for C/C++ developers, works with all internet connections, royalty-free licensing, no yearly/monthly fee, and ease of incorporation.
Overall, the SIP DLL is an excellent VoIP SDK with numerous features that provide an exceptional user experience. With VAD (Voice activity detection), Reverb, Echo and Noise cancellation or suppression, AGC (auto gain controller), and various other features, your SIP application development will go above and beyond. Try the SIP DLL today and see for yourself.
Version 1.1: The SIP DLL contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users and SIP compatible devices (hardware and software). It enables a worldwide communication over the internet or intern networks.