Asterisk Alternatives

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

SipXcom offers full enterprise-grade telephony, messaging, instant messaging, audio conferencing, and many other functions. Features:Free,Open,Source,Linux

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

Click-to-call for free. You can import calls from your free website. To communicate Talkie with your customers visit your site is a free service. It is free of charge. Features:Free,Mac,Windows,Linux

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

FusionPBX is an open source GUI freeswitch. FusionPBX, multi tenant PBX, carrier grade switch-based, high available single or domain can be used as the Central server Dec Features:Free,Open,Source,Linux,BSD

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

RingCentral office RingCentral cloud phone system all inclusive, which provides companies with higher expected quality, reliability and value Features:Commercial,Mac,Windows,Android,iPhone

Stars and voice telephony numbering based on the VoiceXML platform boots Foxmail pro pulsed by the interpreter. Features:Freemium,Linux,Web,Self-Hosted,Amazon,Raspbian

Leading brands use Dimelo software to manage customer service online activities of SaaS applications. Dimelo by RingCentral to its customers with cheap Features:Commercial,Open,Source,Mac,Windows,Web,Android,iPhone

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