Free Pbx Software

Carousel Telephony Adapter by NCH Software

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. You install it as a service on any Windows PC. SIP protocol VoIP calls will be directed out to standard PSTN analog lines through a telephony board.

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3CXPhone FREE VoIP Phone for Windows by 3CX Ltd

Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP network 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 install across a network. Features include Call Transfer, Call Recodrding, Hold, Headset support, Call History. Full version, not a lite version.

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3CX VOIP Phone for Windows by 3CX Ltd

Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Call log, call statistics & phone-book. Available in English, German, Spanish, French & Portuguese. Free download from http://3cx.com.

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AdminsParadise Voip PBX and FAX by AdminsParadise LLC

VoIP Can offer a significant savings for a small, medium or large office. Free enterprise grade VoIP PBX and web based fax solution. Features extensive "movie walkthroughs" to step you through the installation and administration of the software. LiveCD and installation CD Features: Easy web based administration. Rock solid platform. Industrial Grade Hylafax Fax solution with web based faxing and print-to-fax capability.

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Teleon Skype Gateway for Voice Modem by Teleon Networks

Teleon Skype Gateway for voice modem is a VoIP gateway driver for common voice modem card. Calls can be forwarded from PSTN to Skype remote user and vice versa, in fix transfer mode or free dial mode. You can receive Skype call from your cellphone. Requirements: Windows 2000/XP. CPU above 900Mhz, 256MB RAM. A voice modem with speakerphone(you can purchase from www.teleon.net if you have no such a card). Skype version 1.3.0.57 up.

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PCBest Networks SIP PBX by PCBest Networks

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. It supports SIP extensions, SIP accounts, inbound and outbound calls, and customized dial plans. It supports plugins. Plugin samples can be programmed by .NET languange like C#, and vb.net.

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Axon Virtual PBx System by NCH Software

Axon is a virtual PBX designed to manage calls within a business or call center environment. Any business can implement this scalable PBX solution with only an existing PC which connects to phone lines and extensions using VoIP technology.

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Zoiper Communicator Softphone by Zoiper

ZOIPER Communicator is a very intuitive SIP softphone, with presence, chat, video and fax. Very stable, small footprint, skinnable, and with encryption support. It comes with a built in peer 2 peer voip service, so that you can speak chat and videotalk with other users even if your pbx or voip provider does not support those features.

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TERAVoice Server by TERASENS GmbH

TERAVoice is a high-performance telephony platform for Windows that can implement any type of telephony application like voicemail, automated attendants, voice menus, waiting queues for call centers and custom IVR applications. TERAVoice can also act as a VoIP (Voice over IP) gateway for bridging calls from PSTN to H.323 terminals and computers for inbound and outbound calls.

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