A SERVICE OF

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Issue 1 September 1995 D-1
D
Country Differences
United States to United Kingdom and
France Terminology Translations
Country-Specific Hardware
The following pages contain tables of country-specific hardware. Please see the
table for your country required hardware.
This information is volatile and is, therefore, dated. If you are reading this
document more than six months after the date of this document, please check
with AT&T personnel in your country for the most recent information.
United States United Kingdom France
Trunk Exchange Line
Station Extension Line
Attendant Operator’s console
Digital Service
1 (DS1)/T1
E1
CO (Central
Office)
Public exchange or Public
Switched Telephone
Network (PSTN)
Tip/Ring A/B
Direct Inward
Dialed (DID)
Direct Dial Inward (DDI)
ground earth