Elastix has multiple features and functionality related with all the services available IP Telephony, Mail Server, Fax Server, Conferences, Instant Messaging Server, among others. Elastix is the first distribution to include an Open Source Call Center module with a predictive dialer. This module can be installed from the same web-based Elastix interface through a module loader.
What's new in version 2.4.0
Version 2.4.0 has Supported for bluetooth interfaces through cell phones.