DIN ETS 300140-1992 综合服务数字网络(ISDN).停机附加服务.功能能力和信息流量

标准号：DIN ETS 300140-1992
中文标准名称：综合服务数字网络(ISDN).停机附加服务.功能能力和信息流量
英文标准名称：Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; functional capabilities and information flows; english version ETS 300140:1992
标准类型：L78
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：L78
国际标准分类号：33.080
适用范围：The document deals with the stage 2 description of the Call Hold supplementary service in the pan-European ISDN. This supplementary service allows a user to interrupt communications on an existing call and then subsequently, if desired, re-establish communications.