Elastix® is an appliance software that integrates the best tools available for Asterisk-based PBXs into a single, easy-to-use interface. It also adds its own set of utilities and allows for the creation of third party modules to make it the best software package available for open source telephony.
The goals of Elastix are reliability, modularity and ease-of-use. These characteristics added to the strong reporting capabilities make it the best choice for implementing an Asterisk-based PBX.
Elastix PBX includes ELX-025, ELX-3000.
trixbox®,with a lowercase 't', is an IP-PBX software solution designed for small and medium-sized businesses. trixbox comes in two flavors: the open-source community edition and a hybrid-hosted, commercially-proven solution.
trixbox PBX includes TBE, TBP.