ITU-T Q.953.4-1995
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) – STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS 1 Clause 4 - Terminal Portability (TP)

Standard No.

ITU-T Q.953.4-1995

Release Date

1995

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.953.4-1995

Scope

This Recommendation defines the operation of the Digital Subscriber Signalling System No.1 (DSS 1) for the support of the Terminal Portability (TP) supplementary service at the T or the coincident S and T reference point of the User-toNetwork Interface of the Integrated Services Digital Network (ISDN).The Terminal Portability supplementary service allows the user to temporarily suspend an active call,and subsequently reactivate it from the same terminal equipment or from another one within the same user-network interface.

ITU-T Q.953.4-1995 Referenced Document

• ITU-T I.130-1988 METHOD FOR THE CHARACTERIZATION OF TELECOMMUNICATION SERVICES SUPPORTED BY AN ISDN AND NETWORK CAPABILITIES OF AN ISDN
• ITU-T I.411-1993 ISDN USER-NETWORK INTERFACES REFERENCE CONFIGURATIONS
• ITU-T Q.920-1993 DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. 1 (DSS1) ISDN USER-NETWORK INTERFACE DATA LINK LAYER GENERAL ASPECTS

ITU-T Q.953.4-1995 history

• 1995 ITU-T Q.953.4-1995 INTEGRATED SERVICES DIGITAL NETWORK (ISDN) – STAGE 3 DESCRIPTION FOR CALL COMPLETION SUPPLEMENTARY SERVICES USING DSS 1 Clause 4 - Terminal Portability (TP)