voip 

With Ozeki VoIP SIP SDK, you have the opportunity to make your own VoIP products, for instance a softphone or even your own PBX

With Onvif IP Camera Viewer, you have the opportunity to access USB, RTSP and Onvif cameras.\r\nYou are free to develop camera viewer applications which are capable of detect motion, query and set image... More information

With the help of OPS SDK and Ozeki Phone System XE you are free to build call assistants, call center clients, IVRs or any custom Voice or Messaging application.