ANSI T1.613-1991
远程通信.综合业务数字网(ISDN).呼叫等待辅助服务

Telecommunications – Integrated Services Digital Network (ISDN) – Call Waiting Supplementary Service

标准号

ANSI T1.613-1991

发布日期

1991年01月01日

实施日期

废止日期

无

中国标准分类号

M11

国际标准分类号

33.080

发布单位

US-ANSI

适用范围

Standard is one of a series that defines and describes supplementary services within the context of an ISDN. The interaction of this service with other ISDN service is also included. The purpose of the standard is to allow maximum compatibility among net