DIN ETS 300056/A1
Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
active, Most Current
| Organization: | DIN |
| Publication Date: | 1 October 1997 |
| Status: | active |
| Page Count: | 7 |
| ICS Code (Integrated Services Digital Network (ISDN)): | 33.080 |
Document History
DIN ETS 300056/A1
October 1, 1997
Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
A description is not available for this item.
September 1, 1992
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; service description; english version ETS 300056:1991
A description is not available for this item.