Ozeki Phone Systems 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

Avesta.IO join, chat, phone and e-mail-contact center software in the cloud, multi-channel. All communication channels through a single interface to be answered. This Features:Commercial,Mac,Windows,Linux,Web

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

3CXPhone for Windows, Google Nexus, Sony Ericsson, Motorola Droid or Android-based Smartphones like iPhone, Samsung Galaxy and for free VoIP phone. Connect Features:Freemium,Windows,Android,iPhone

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

PBX / SIP-based unified communications system application. Features:Free,Open,Source,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

An old, open, and SER (successor) and Kamailio® under the GPL license for open-source sip server able to do setups, tens of thousands of calls per second. Among the features: Features:Free,Open,Source,Linux

VoIP switch, SoftSwitch with billing and routing System (older versions, us) with support for the SIP Protocol. The basic package softswitch application, voice response application includes a Features:Commercial,Windows

Cloud telephony connects the main purpose of the customer service support. Cloud telephony is a software which is used for the RTA. Features:Commercial,Web

Multi-tenant, and real-time capabilities for managing Asterisk PBX the advanced interface. Features:Commercial,Linux

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