Elastix is an asterisk based distribution.

A single CD download will offer most of the software needed for a VT Server and then some.

Elastix has multiple features and functionalities related with all the services available: IP Telephony, Mail Server, Fax Server, Conferences, Instant Messaging Server, among others. New features, functionalities and Services are added at the development of new versions.

Below you will find a detail list of features and functionalities:


- Call recording

- Conference center with virtual rooms

- Voicemail

- SIP and IAX support, among others

- Voicemail-to-Email functionality

- Supported codecs: ADPCM, G.711 (A-Law & μ-Law), G.722, G.723.1 (pass through), G.726, G.728, G.729, GSM, iLBC (optional) among others.

- Flexible and configurable IVR

- Support for analog interfaces as FXS/FXO (PSTN/POTS)

- Voice synthesis support

- Support for digital interfaces (E1/T1/J1) through PRI/BRI/R2 protocols

- IP terminal batch configuration tool

- Caller ID

- Integrated echo canceller by software

- Multiple trunk support

- End Point Configurator

- Incoming and outgoing routes with support for dial pattern matching

- Support for video-phones

- Support for follow-me

- Hardware detection interface

- Support for ring groups

- DHCP server for dynamic IP

- Support for paging and intercom

- Web-based operator panel

- Support for time conditions

- Call parking

- Support for PIN sets

- Call detail record (CDR) report

- Direct Inward System Access (DISA)

- Billing and consumption report

- Callback support

- Channel usage reports

- Support for bluetooth interfaces through cell phones (chan_mobile)

- Support for call queues


- Fax server based on HylaFax

- Fax to email customization

- Fax visor with downloaded PDFs

- Access control for fax clients

- Fax to email application

- Can be integrated with Winprint Hylafax


- Online embedded help

- Centralized updates management

- System resources monitor

- Backup/restore support via Web

- Network configurator

- Support for skin

- Server shutdown from the web

- Configurable server date, time and timezone

- Access control to the interface based on ACLs


- PBX-integrated calendar with support for voice notifications

- Phone Book with click-to-dial capabilities

- Two CRM products integrated to the interface (vTigerCRM and SugarCRM)


- Billing support with A2Billing

- Integrated CRM: vTigerCRM and SugarCRM


- Openfire instant messaging server

- Report of user sessions

- IM client initiated calls

- Jabber support

- Web based management for IM server

- Plugins support

- IM groups support

- LDAP support

- Support for other IM gateways like MSN, Yahoo Messenger, GTalk and ICQ

- Server-to-server support


- Mail server with multi-domain support

- Support for quotas

- Web based management

- Antispam support

- Support for mail relay

- Based on Postfix for high email volume

- Web based email client