VaxSoft
VaxVoIP SIP Server SDK
Trial versionDevelop SIP based VoIP server for IVR, IP telephony, and call centers.
WindowsVaxVoIP SIP Desktop SDK
Trial versionDevelop SIP based VoIP softphone, and IVR systems.
WindowsVaxVoIP WebPhone SDK
Trial versionDevelop SIP based Web phone with your own GUI and brand.
WindowsVaxPhone - Softphone (Voice Changer & Phone Calls)
FreeVaxPhone is a SIP based softphone to dial and receive internet phone calls by using ANY ITSP (Internet Telephony service provider).
iOS