ITU-T Q.81.3 SPANISH-1991
Stage 2 Description for Number Identification Supplementary Services - SECTION 3 - CALLING LINE IDENTIFICATION PRESENTATION (CLIP) AND CALLING LINE IDENTIFICATION RESTRICTION (CLIR) SECTION 5 - CONNECTED LINE IDENTIFICATION PRESENTATION AND RESTRICTION (C

Standard No.

ITU-T Q.81.3 SPANISH-1991

Release Date

1991

Published By

International Telecommunication Union (ITU)

Latest

ITU-T Q.81.3 SPANISH-1991

Scope

This Recommendation defines Stage 2 of the Integrated Services Digital Network (ISDN) provided by telecommunications operating entities for the supplementary services of calling line identification presentation (CLIP) and call restriction. Calling line identification restriction (CLIR). Stage 2 identifies the functional capabilities and information flows necessary to carry out the service description. The Stage 2 description also identifies user operations not directly related to a call (see Recommendation I.130 [1]).

ITU-T Q.81.3 SPANISH-1991 history

• 1991 ITU-T Q.81.3 SPANISH-1991 Stage 2 Description for Number Identification Supplementary Services - SECTION 3 - CALLING LINE IDENTIFICATION PRESENTATION (CLIP) AND CALLING LINE IDENTIFICATION RESTRICTION (CLIR) SECTION 5 - CONNECTED LINE IDENTIFICATION PRESENTATION AND RESTRICTION (C