ITU-T Q.81.1 SPANISH-1988
Stage 2 Description for Number Identification Supplementary Services - Direct Dialling-in

Standard No.

ITU-T Q.81.1 SPANISH-1988

Release Date

1988

Published By

International Telecommunication Union (ITU)

Latest

ITU-T Q.81.1 SPANISH-1988

Scope

A part of the ISDN number, which is significant to the user, is passed to the user. This supplementary service is based on the use of the ISDN number and does not include sub-addressing.

ITU-T Q.81.1 SPANISH-1988 history

• 1988 ITU-T Q.81.1 SPANISH-1988 Stage 2 Description for Number Identification Supplementary Services - Direct Dialling-in