DIN ETS 300053:1992 Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991
The document deals with the Terminal Portability (TP) supplementary service. This supplementary service allows a user to move a terminal having one or more active calls from one socket to another or replace it by another compatible terminal.
DIN ETS 300053:1992 history
1992DIN ETS 300053:1992-09 Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991
1992DIN ETS 300053:1992 Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991