UF Campus AT&T Centrex analog lines must dial 9 + 352 + 7-Digits to call UF and Gainesvile telephone numbers in the 352 area code (e.g. 9-352-392-3261)

  • For more information about mandatory 10-digit dialing refer to the 10-Digits-FAQ
  • Note that Centrex lines are able to call other Centrex lines using five-digit dialing (i.e. dialing the last five digits of the phone number)

UF Centrex Overview

The AT&T Centrex system provides legacy analog line services to the university.   These analog lines are generally used for specialized applications such as alarm systems, elevator lines or legacy fax machines.

The main telephone system at the University is a VoIP-based system which uses Cisco phones.  AT&T Centrex and UF VoIP have have separate five-digit internal dial plans:

  • Phones within each system can be reached by dialing the last five-digits of the phone number.
  • However, Centrex lines are not able to reach across to UF VoIP lines by dialing 5-digits.

Centrex Line Identification

Centrex Analog lines are usually connected to older-style phones or directly to analog devices, such as alarm systems.

VoIP phones are Cisco-branded and are the most common type of phone.

VoIP Phone Analog Phone
Cisco-branded Older-style phones
Cisco VoIP Phone Image Analog Phone

Cisco VoIP Phone Image

Analog Phone Image

Note that Fax machines are analog devices, but many are connected to the VoIP system via an adaptor. If your area has Cisco phones, your fax machine is most likely connected to the VoIP system.