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Express Talk Free VoIP Softphone v.4.35
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.
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3CX Phone FREE VoIP Phone v.4.0
Free VOIP / SIP phone (softphone) for Windows.
SIP ActiveX and SDK v.1 1
PCBest Network provides SIP solutions for SIP Developers. From high level SIP ActiveX to low level SIP SDK, the complete SIP development solutions are giving users multipul choices to deploy their voip productions in fastest and most efficient way.
Voicent Flex PBX v.1.0
Voicent Flex PBX is an easy-to-use software-based PBX system for small and large business alike. It supports both analog phone services and VOIP services.
Express Talk Free VoIP Softphone for Mac v.4.04
Express Talk is software that works like a telephone to let you make calls on your Mac OS X.
Express Talk VoIP Softphone v.4.26
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.
Express Talk Business VoIP Softphone v.4.35
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.
MiniSipServer v.4.0
This is a professional VoIP server for Microsoft Windows system, such as Windows 2000/XP/2003/2008/Vista, and Windows7. This program helps you save call costs and works well with lots of popular SIP hardware phones or softphones.
Fax Voip Softphone v.3.1.1
Fax Voip Softphone - SIP/H.323 software telephone. Call Recording. Playing audio messages into the telephone line. Sending and Receiving T.38 and Audio Faxes. Music on Hold. Call Transfer. Call Forwarding. Phone Book. Log Book. Random Phone Calls.
RFC Reader v.3 2
* Create tree-like index. You can click the index and jump to the chapters which you want.
ZOIPER Free IAX and SIP softphone
ZOIPER 2.0 Free IAX and SIP is a user-friendly softphone, compatible with Asterisk or any other IAX or SIP capable system. High-quality VoIP calling experience with features like: IAX + SIP protocols, SIP over TCP/TLS/UDP(STUN support), Echo cancellation,