Issabel is described as 'Your Open Source Solution For Unified Comunnications And More…' and is a IP PBX system in the network & admin category. There are three alternatives to Issabel for Linux, BSD, Self-Hosted, Mac and Windows. The best Issabel alternative is Wazo, which is both free and Open Source. Other great apps like Issabel are FusionPBX and Elastix.
Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of standard network technologies such as the TCP/IP protocol. It is interoperable with most market telephony systems and gives users access to flexible and...
FusionPBX is an open source FreeSWITCH GUI. FusionPBX can be used as a high available single or domain based multi-tenant PBX, carrier grade switch, call center server, fax server, voip server, voicemail server, conference server, voice application server, appliance framework...
More than a PBX, with Elastix you can communicate with your customers through voice, video and live chat from anywhere. Built-in video conferencing, website live chat and smartphone apps, ensure your agents remain productive through one unified mobile solution.
Issabel is a cpmplete PBX software. Wazo is only an endpoint client.