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.252.3

Call offering supplementary services : Call Forwarding No Reply
呼叫提供补充服务:呼叫转接无应答

1992-08-04

现行

ITU-T I.252.3

Call offering supplementary services : Call Forwarding No Reply
呼叫提供补充服务:呼叫转接无应答

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.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

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

现行

ITU-T I.253.3

Call completion supplementary services : Completion of calls to busy subscribers
呼叫完成补充服务:完成对繁忙用户的呼叫

1996-07-19

现行

ITU-T I.253.3

Call completion supplementary services : Completion of calls to busy subscribers
呼叫完成补充服务:完成对繁忙用户的呼叫

1996-07-19

现行

ITU-T Q.82.7

Stage 2 description for call offering supplementary services : Explicit call transfer
第2阶段呼叫提供补充业务描述:显式呼叫转移

1996-07-09

现行

ITU-T Q.82.7

Stage 2 description for call offering supplementary services : Explicit call transfer
第2阶段呼叫提供补充业务描述:显式呼叫转移

1996-07-09