ETSI EN 302 094-6-2002 综合业务数字网(ISDN).1号数字用户信令系统(DSS1)和7号信令系统(SS7)协议.无绳终端移动性(CTM)第1阶段的呼叫不可及前转(CFNRc)补充业务.部分
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. One (DSS1) and Signalling System No.7 (SS7) Protocols; Call Forwarding on Not Reachable (CFNRc) Supplementary Service for Cordless Terminal Mobility (CTM) Phase 1; Part 6