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)
专用综合业务网(PISN)-无绳终端移动性(CTM)-切换附加网络功能(ANF);功能能力和信息流(认可英文版ETS 300817:1998为德国标准)