ITU-T E.122-1988
Measures to Reduce Customer Difficulties in the International Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp

Standard No.

ITU-T E.122-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Replace By

ITU-T E.122-1993

Latest

ITU-T E.122-1993

Scope

A common problem in customer dialling in the international automatic telephone service is the erroneous dialling of the trunk prefix of the country of destination. In the international service, this trunk prefix must not be dialled. The following measures

ITU-T E.122-1988 history

• 1993 ITU-T E.122-1993 Measures to Reduce Customer Difficulties in the International Telephone Service
• 1988 ITU-T E.122-1988 Measures to Reduce Customer Difficulties in the International Telephone Service - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp