1200 W. Washington Street

Phoenix, AZ 85007-2927

 

Phoenix Office: (602) 542-4251

 

Tucson Office: (520) 628-6550

 

Toll Free In-State Only:

1-(800) 222-7000

Telephone Terminology

Below are definitions of terms commonly used in the telephone industry. This list is not designed to be comprehensive, but rather to give a basic definition. Some of these terms have specific regulatory or technical definitions as spelled out in law or statute. In those situations, the legal or technical definition takes precedence.


Bandwidth:


Baud:


Byte:


Central Office:


Circuit Grade:


Circuit:


Competitive Local Exchange Carrier (CLEC):


Cramming:


Cross Connection:


Crosstalk:


Exchange Service:


Exchange:


Extended Area Service:


Facsimile:


Filter:


Frame:


Frequency:


Hertz:


High Pass Filter:


Interactive Voice Response Unit (IVRU):


Intercept:


Interconnect:


Interface:


Interstate:


Intrastate:


Jack:


Loop:


Modem:


Noise:


Numbering Plan:


Off Hook:


Operator Assisted Calls:


Person-To-Person Call:


Premises:


Slamming:


Substation:


Switching Center:


Tariff:


TDD:


Telecommunications:


Telephone:


Toll Restriction:


Toll Trunk:


Traffic:


Transmission:


TTY:


Voice Connecting Arrangement:


Voice Grade:


Voice:

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Arizona Corporation Commission

1200 W. Washington Street

Phoenix, AZ 85007

 

Corporations Division

1300 W. Washington Street

Phoenix, AZ 85007

 

Tucson Office (Walk-ins only)

400 W. Congress Street

Tucson, AZ 85701