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Written inPHP
Working stateIn development
Source modelOpen source
Latest release4.0
Available inEnglish, Spanish
Update methodYUM, ISO
PlatformsIA-32, x86-64

Issabel is open-source Unified Communications PBX software, providing user-friendly web-based configuration, management, and reporting for telephony. Modules providing predictive dialing can be added. It is a fork of the open-source versions of Elastix, developed by the user/developer community when 3CX acquired Elastix, closed the community, halted distribution and development of the open-source versions, and released a proprietary version.[1][2][3][4]

Issabel is based upon open-source versions of Elastix, Asterisk, FreePBX, HylaFAX, Openfire and Postfix and provides PBX, fax, instant messaging and e-mail server functionality.

Issabel is open-source software licensed under the GNU Public License.


  1. ^ Landivar, Edgar. "Perspective on Elastix - 3cx Changes". Retrieved 7 January 2017.
  2. ^ Igarto. "De la muerte de Elastix, al nacimiento de Issabel". DesdeLinux. Retrieved 10 January 2017.
  3. ^ Cabrera, Christian. "Issabel: una alternativa de código abierto". Asterisk Mexico. Retrieved 10 January 2017.
  4. ^ Rojano, Elio. "La comunidad Elastix crea el proyecto ISSABEL". SinoLogic. Retrieved 10 January 2017.

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