Sip Pbx
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PCBest Networks SIP PBX v.V2.01
A Windows free SIP IP PBX software. It is very easy to use and deploy, with powerful features like:ACD, Auto Attendant, Call Park, Ring Group, Conference, Call Pickup Group, Auto Outbound Dialer, Database CDR report, Database PBX Status Report.
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3CXPhone FREE VoIP Phone for Windows
Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to
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.
3CX Phone FREE VoIP Phone v.4.0
Free VOIP / SIP phone (softphone) for Windows.
BizPBX - free Phone System for windows
BizPBX is a Free Phone System (PBX) with Skype Trunk and Call Messenger, BizPBX is a Unified Communication PBX with Directory(online status), Conference, Call Record, Voicemail, CRM, Soft Fax, SMS, Internal EMail & Instant Messenger
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.
3CX SIP Proxy Manager v.9.0.14901.9
The SIP Proxy Tunnel can combine all SIP (signaling) and RTP (media) VoIP Packets from one location (typically a remote office) and deliver them to and from another location (typically the PBX Server) using a custom TCP protocol.
Telepati SIP Phone Freeware
Telepati SIP Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP SIP Phone SDK, this free soft phone brings SIP protocol support for ActiveX. With this phone once you set the gatekeeper proxy
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,
PBX Call Tarifficator Pro v.2 3
PBX Call Tarifficator Pro is a call accounting and billing system, which helps you to manage all the telephone traffic via your office switching system.
X-Lite SIP VoIP Softphone v.4.0
CounterPath's X-Lite 3.0 is the market's leading free SIP based softphone available for download. Based on the advanced architecture of eyeBeam 1.5 (CounterPath's carrier grade telephony client),