Free voip pbx downloads, showing 21 - 30 of about 50

For Businesses that already have office phone systemsFor Small Businesses that needs a Skype PBX phone system

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.

PrettyMay Call Center for Skype (PMCCS) is a 100% software-based Skype PBX that replaces traditional proprietary hardware PBX / PABX. It allows SMBs to quickly and affordably implement a Skype PBX (aka PABX) system with auto-attendant...

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.

conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP networks. Includes efficient components for sound recording

conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, providing real-time low latency multi-client audio streaming over UDP networks. Includes efficient components for sound recording

Video VoIP SIP SDK for iPhone is a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your software.

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.

Voip is a contemporary telecomms technology that can be confusing for interested business users and coders. To reduce the mystery of IP telephony use this handy Internet Explorer toolbar. You'll learn about voip, and other developments.

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.
Free demo-version.