VOIP SIP SDK .NET

Ozeki VoIP SIP .Net SDK for VoIP call system development allows software developers to add voice & video call feature to their applications and webpages. It can be used to build softphone, webphone solutions, SIP based voice and video applications for call centers, CRM and IVR systems and IMS solutions. It is compatible with most of the PBX systems like Cisco UCM, Asterisk, 3CX and works with VoIP service providers. Supports multiple VoIP calls