3Cxphone Alternatives

Star Communications is a free software from a server computer. Asterisk PBX, VOIP gateway, IVR and ACD applications, such as you can create. Features:Free,Open,Source,Mac,Windows,Linux

I noticed Zoiper & SIP multi-language and multi - (Windows, Linux, and Mac OS X), internet-phone-VoIP-soft-client communication, able to work with a test Features:Free,Personal,Mac,Windows,Linux,Web,Android

What: Post//delete notifications stop talking (rename, add, contact) Chat messages Create/modify conversations, you get Features:Free,Open,Source,Mac,Windows,Linux,Hangouts

PJSIP stack-MicroSIP-free portable SIP based Windows soft. To make (P2P or normal mobile phones to make VoIP calls via open sip offers a high quality. Features:Free,Open,Source,Windows,

A program that allows you to make VoIP calls over the internet. Any appropriate sip provider traditional phones calls are used include Features:Free,Open,Source,Mac

VoIP TAPI soft and JET. In this application, audio connections, cellular network and VoIP line. The software can be used as my phone, and fixed Features:Free,Windows

Route and Dec popular communication protocols freeswitch audio, video, text, developed with scalable open source cross-platform phone, or any Features:Free,Open,Source,Mac,Windows,Linux,BSD

The numbering of the controls, and the asterisk (PBX), open source server manages communication (graphical user interface) is a web-based open source GUI. Features:Free,Open,Source,Linux

Worldwide telephone conferencing and web conferencing service offering integrated web spread. Flash Player is based. Free service includes 3 Features:Commercial,Mac,Windows,Linux,Web

Yate-networking-software, network-hardware allocation (concept) softswitch. Supported VoIP protocols: H. 323, SIP, IAX1, IAX2, RTP. Plain old Features:Free,Open,Source,Linux

The possibility of an extension based on the stars and the vase-oriented unified communication platform. Features:Free,Open,Source,Mac,Windows,Linux,Self-Hosted

XiVO with other networks such as public telephone lines through a private network such as a local or an IP-PBX, the connection to mobile phones, and mobile unified communications platform Features:Free,Open,Source,Mac,Windows,Linux

YateClient instant messaging and internet telephony. Features:Free,Mac,Windows,Linux

Starfish PBX aims to be an open-source Digium Switchvox is an alternative. A software to provide additional functionality, such as target is a substance is equivalent. Features:Free,Open,Source,Linux

Strong SIP/H. 323/WebRTC-PBX, softswitch and billing with a long list of features such as Windows. Features:Free,Windows