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.
Billion PBX - new generation phone system working in IP-networks using SIP protocol. Billion PBX provides not only voice calls but also a whole range of additional features like call forwarding, voicemail, callback and many others.
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.
SIP Phone DLL - A powerful and highly versatile VoIP SDK. Our SIP Phone DLL provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications.
Express Talk is software that works like a telephone to let you make calls on your Mac OS X. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.
VaxVoIP SIP iOS SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based softphone and SIP client for Apple iOS based devices (iPhone, iPad, iPod etc.) and other Hand-Held device.
Express Talk is software that works like a telephone to let you make calls on your Mac OS X. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.
OfficeSIP Alerter is a simple, easy-to-use and free instant sip messenger. It was not designed for prolonged chat, it is handy when you need to send single message. It is good replacement for old-fashioned Alerter Service.
Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.