ACO: Accounting Control Office
ACO: Additional Call Offering
ACO: Alarm Cut Off
ACO: Augmented Channel Occupancy
ACO-R: Additional Call Offering- Restricted
ACO-U: Additional Call Offering- Unrestricted
ACOD: Access Code Digits
ACOF: Attendant Control Of Facilities
ACOLI: Advance Circuit Order and Layout Information
ACOM: Attendant Console Operational Measurements
ACOP: Additional Connected Party Number
ACOR: Additional Call Offering- Restricted
ACOS: Advisory Committee on Safety
ACOT: Analog Central Office Terminal
ACOU: Additional Call Offering Unconditional
ACOU: Additional Call Offering- Unrestricted
ACP: Access Control Points
ACP: Action Control Point
ACP: ACtion Point
ACP: Adjacent Channel Power
ACP: Adjunct Call Processing
ACP: Administrative Challenge Panels
ACP: Advanced Communications Protocol
ACP: Alarm Control Process
ACP: Allied Communications Publication
ACP: Americans for Computer Privacy
ACP: Ancillary Control Program
ACP: Application Change Package
ACP: Application Circuit Pack
ACP: Architecture Control Process
ACP: Authorization Code Prefix
ACP: Automatic Circuit Provisioning
ACP: Auxiliary Communications Processor
ACPA: Audio Capture and Playback Adapter
ACPE: Application Call Processing Engine
ACPI: Advanced Configuration and Power Interface
ACPM: Association Control Protocol Machine
ACPN: Additional Called Party Number
ACPT: Apple Certified Portable Technician
ACQS: Automated Charge Quotation Service