
PRIVATE TELECOMMUNICATION NETWORK (PTN) - SPECIFICATION, FUNCTIONAL MODEL & INFORMATION FLOWS DO NOT DISTURB & DO NOT DISTURB OVERRIDE SUPPLEMENTARY SERVICE
出版:European Telecommunications Standards Institute

专家解读视频
Contains stage 1 and 2 description of the do not disturb supplementary service and the do not disturb override supplementary service. See ECMA DTR/ECMA-0002 (ECMA-TR/SCV) for a description of these supplementary services. See ENV 41 005 for definition of stage 1 and 2
DIN ETS 300363 : 1995 - Identical
DIN ETS 300363 : 1995 - Identical
PN ETS 300 363 : 2005 - Identical
ECMA 193 : 2ED 97 - Corresponds
NBN ETS 300 363 : 1995 - Identical