Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway.
Voip is a contemporary telecomms technology that can be confusing for interested business users and coders. To reduce the mystery of IP telephony use this handy Internet Explorer toolbar. You'll learn about voip, and other developments.
VaxTele SIP Server SDK allows software vendors and service providers to develop their own SIP based VoIP Server, IP-PBX, SIP PBX, SIP gateway and IP-Telephony services.
VoiceXML Gateway for SIP VOIP PSTN TAPI development SDK for interactive telephony apps. High level W3C development platform. Supports text to speech, voice recognition, DTMF tones. Works with SIP based VOIP, Skype, and traditional phone services
Powerful fax and voice software for both public switched telephony and Internet telephony networks. It turns your PC into a color fax and answering machine combo that can be controlled remotely and forward incoming messages by email.
Asterisk Phone Agent (APA) is a Computer Telephony Integration (CTI) application that integrates with your Asterisk PBX and allows you to perform various telephone operations from your PC.
Ringcentral - A simple application that was designed to help you learn about this telephony service from a source that might not be subjective. The application is easy to install and use making it a good choice. Learn why you should use Ringcentral.
A professional telephone voice changer utility. Supports PC speakers as well as over a telephone, mobile and internet. Pitch and frequency controls. 24 different voices. Supports recording and manipulation. Doesn't need a modem for telephony.
Express Talk is software that works like a telephone to let you make calls on your Pocket PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.