现行

ITU-T I.232.3

Packet-mode bearer services categories : User signalling bearer service category (USBS)
分组模式承载服务类别:用户信令承载服务类别（USBS）

1993-03-12

现行

ITU-T I.232.1

Packet-mode bearer services categories : Virtual call and permanent virtual circuit bearer service category
分组模式承载业务类别:虚拟呼叫和永久虚拟电路承载业务类别

1988-11-25

现行

ATIS 1000620.a.2014(R2019)

Multi-Rate Circuit-Mode Bearer Service for ISDN - Addendum to the Circuit-Mode Bearer Service Category Description
ISDN用多速率电路模式承载业务.电路模式承载业务类别说明附录

2014-06-01

现行

ITU-T I.231.10

Circuit-mode bearer service categories : Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service
电路模式承载服务类别:电路模式多速率无限制8 kHz结构化承载服务

1992-08-04

现行

ITU-T I.231.8

Circuit-mode bearer service categories : Circuit-mode 1920 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载业务类别:电路模式1920 kbit/s无限制、8 kHz结构化承载业务

1996-07-19

现行

ITU-T I.231.7

Circuit-mode bearer service categories : Circuit-mode 1536 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载业务类别:电路模式1536 kbit/s无限制、8 kHz结构化承载业务

1996-07-19

现行

ITU-T I.231.6

Circuit-mode bearer service categories : Circuit-mode 384 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载业务类别:电路模式384 kbit/s无限制、8 kHz结构化承载业务

1996-07-19

现行

ITU-T I.231.1

Circuit-mode bearer service categories : Circuit-mode 64 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载业务类别:电路模式64kbit/s无限制、8kHz结构化承载业务

1988-11-25

现行

ITU-T I.231.9

Circuit-mode bearer service categories : Circuit-mode 64 kbit/s 8 kHz structured multi-use bearer service
电路模式承载业务类别:电路模式64 kbit/s 8 kHz结构化多用途承载业务

1993-03-12

现行

ITU-T I.231.5

Circuit-mode bearer service categories : Circuit-mode 2 x 64 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载服务类别:电路模式2 x 64 kbit/s无限制、8 kHz结构化承载服务

1988-11-25

现行

ITU-T I.231.4

Circuit-mode bearer service categories : Circuit-mode, alternate speech / 64 kbit/s unrestricted, 8 kHz structured bearer service
电路模式承载业务类别:电路模式、备用语音/64kbit/s无限制、8kHz结构化承载业务

1988-11-25

现行

ITU-T I.231.2

Circuit-mode bearer service categories : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for speech information transfer
电路模式承载业务类别:电路模式64kbit/s 8kHz结构化承载业务 可用于语音信息传输

1988-11-25

现行

ITU-T I.231.3

Circuit-mode bearer service categories : Circuit-mode 64 kbit/s, 8 kHz structured bearer service usable for 3.1 kHz audio information transfer
电路模式承载服务类别:电路模式64 kbit/s 8 kHz结构化承载服务 可用于3.1 kHz音频信息传输

1988-11-25

现行

ATIS 1000620.1991(S2017)

Integrated Services Digital Network (ISDN) - Circuit-Mode Bearer Service Category Description (formerly T1.620-1991 (R2007) )
综合业务数字网（ISDN）.电路模式承载业务类别说明（原T1.620-1991（R2007））

1991-12-01

现行

ATIS 1000614.1991(S2017)

Integrated Services Digital Network (ISDN) - Packet Mode Bearer Service Category Description (formerly T1.614-1991 (R2007) )
综合业务数字网（ISDN）.分组模式承载业务类别说明（原T1.614-1991（R2007））

1991-04-01

现行

ETSI ETS 300 399-2

Frame relay services; Part 2: Integrated Services Digital Network (ISDN); Frame relay bearer service; Service definition
帧中继业务；第2部分:综合业务数字网（ISDN）；帧中继承载业务；服务定义

1995-01-01

现行

ETSI ETS 300 389

Integrated Services Digital Network (ISDN); Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service category; Service description
综合业务数字网（ISDN）；电路模式多速率无限制8kHz结构化承载业务类别；服务描述

1994-12-01

现行

ETSI ETS 300 217-2

Network Aspects (NA); Connectionless Broadband Data Service (CBDS); Part 2: Basic bearer service definition
网络方面（NA）；无连接宽带数据业务（CBDS）；第2部分:基本承载业务定义

1992-12-01

现行

ETSI ETS 300 108

Integrated Services Digital Network (ISDN); Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category; Service description
综合业务数字网（ISDN）；电路模式64kbit/s无限制8kHz结构化承载业务类别；服务描述

1992-08-01

现行

ETSI ETS 300 399-4

Frame relay services; Part 4: Broadband Integrated Services Digital Network (B-ISDN); Frame relay bearer service; Service definition
帧中继业务；第4部分:宽带综合业务数字网（B-ISDN）；帧中继承载业务；服务定义

1998-02-01