现行

ITU-T I.252.4

Call offering supplementary services : Call Forwarding Unconditional
呼叫提供补充服务:呼叫转移

1992-08-04

现行

ITU-T I.252.2

Call offering supplementary services : Call Forwarding Busy
呼叫提供补充服务:呼叫转接忙

1992-08-04

现行

ITU-T I.252.2

Call offering supplementary services : Call Forwarding Busy
呼叫提供补充服务:呼叫转接忙

1992-08-04

现行

ITU-T I.252.4

Call offering supplementary services : Call Forwarding Unconditional
呼叫提供补充服务:呼叫转移

1992-08-04

现行

ITU-T Q.82.2

Stage 2 description for call offering supplementary services : Call forwarding
第2阶段呼叫提供补充服务的说明:呼叫转移

1993-03-12

现行

ITU-T Q.82.2

Stage 2 description for call offering supplementary services : Call forwarding
第2阶段呼叫提供补充服务的说明:呼叫转移

1993-03-12

现行

ITU-T I.252.5

Call offering supplementary services : Call Deflection
呼叫提供补充服务:呼叫偏转

1992-08-04

现行

ITU-T I.252.1

Call offering supplementary services : Call Transfer
呼叫提供补充服务:呼叫转移

1988-11-25

现行

ITU-T I.252.5

Call offering supplementary services : Call Deflection
呼叫提供补充服务:呼叫偏转

1992-08-04

现行

ITU-T I.252.1

Call offering supplementary services : Call Transfer
呼叫提供补充服务:呼叫转移

1988-11-25

现行

ITU-T I.253.4

Call completion supplementary services : Completion of calls on no reply
呼叫完成补充服务:在没有应答的情况下完成呼叫

1996-07-19

现行

ITU-T I.253.4

Call completion supplementary services : Completion of calls on no reply
呼叫完成补充服务:在没有应答的情况下完成呼叫

1996-07-19

现行

ITU-T I.252.7

Call offering supplementary services : Explicit call transfer
呼叫提供补充服务:显式呼叫转移

1997-05-30

现行

ITU-T I.252.7

Call offering supplementary services : Explicit call transfer
呼叫提供补充服务:显式呼叫转移

1997-05-30

现行

ETSI ETS 300 201

Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description
综合业务数字网（ISDN）；呼叫转移无应答（CFNR）补充业务；服务描述

1994-12-01

现行

ETSI EN 300 201

Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description
综合业务数字网（ISDN）；呼叫转移无应答（CFNR）补充业务；服务描述

2001-05-01

现行

ITU-T Q.82.3

Stage 2 description for call offering supplementary services : Call deflection
第2阶段呼叫提供补充服务的说明:呼叫偏转

1993-03-12

现行

ITU-T Q.82.3

Stage 2 description for call offering supplementary services : Call deflection
第2阶段呼叫提供补充服务的说明:呼叫偏转

1993-03-12

现行

ITU-T H.450.10

Call offering supplementary services for H.323
为H.323提供补充服务的呼叫

2001-03-01

现行

ITU-T H.450.10

Call offering supplementary services for H.323
为H.323提供补充服务的呼叫

2001-03-01