DIN ETS 300817:1999 专有综合业务网络(PISM).无塞绳终端设备移动性(CTM).转移附加网络特征;功能能力和信息流量
Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Handover Additional Network Feature (ANF); functional capabilities and information flows (Endorsement of the English version ETS 300817:1998 as German standard)