SIP proxy server for Windows, allows make calls between SIP devices. SIP@Home works as traditional SIP proxy server or as full proxy, when all voice data goes through proxy.
Free VOIP / SIP phone (softphone). Use your PC as a phone. Works with any SIP / VOIP provider and phone service. Easy to use interface to transfer, forward calls or review history of calls. Free download from http://www.3cx.com
Make FREE pc-to-pc, cheap pc-to-phone, pc-to-fax, phone-to-pc, fax-to-pc, SIP-phone calls over Internet or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, SIP telephone, ISDN phone, FAX, Voicemail.
Make FREE pc-to-pc and cheap pc-to-phone, pc-to-fax, phone-to-pc, fax-to-pc, sip-phone, sip-to-phone calls over Internet or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, ISDN phone, fax, voicemail, callerID.
Billion Softswitch VoIP SIP/H323 proxy server for Windows, Linux, FreeBSD. Billion Softswitch is a software system for intellectual proxy of signaling and media streams in the VoIP-networks based on SIP and H.323 protocols.
Call Notificator is a free tool which extends the ability of your telephone hardware. Suitable for any PBX's, telephone sets, telephony cards, and other devices which support TAPI. If an unanswered call occurs, the message will be sent to your inbox.
Express Talk is software that works like a telephone to let you make calls from your 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.
Utility to synchronize internal clock of office PBX. PBX clock is synchronized with the clock of the computer - it allows to simplify the comparison of PBX logs and data of the communication operator.