共找到 1139 条与 信息传输指标 相关的标准,共 76 页
The purpose of this Recommendation I International Standard is to provide a common basis for the coordinated development and enhancement of the wide range of standards that specify or reference Quality of Service (QOS) requirements or mechanisms in an Inf
Information Technology - Quality of Service: Framework - Series X: Data Networks and Open System Communication - OSI Networking and System Aspects - Quality of Service
Information Technology - Open Distributed Processing - Interface Definition Language - Series X: Data Networks and Open System Communications - Open Distributed Processing 38 pp
Information Technology - Open Distributed Processing - Interface Definition Language - Series X: Data Networks and Open System Communications - Open Distributed Processing
The rapid growth of distributed processing has lead to a need for a coordinating framework for the standardization of Open Distributed Processing (ODP). This Reference Model of ODP provides such a framework. It creates an architecture within which suppo
Information Technology - Open Distributed Processing - Reference Model: Architectural Semantics; Series X: Data Networks and Open System Communication Open Distributed Processing
Information technology - Open Document Architecture (ODA) and interchange format: Document profile Technical Corrigendum 2
This Recommendation describes an adjustable video reference system that can be used to generate the reference conditions necessary to characterize the subjective picture quality of video produced by compressed digital video systems. A Reference Impairment System for Video (RISV) can be utilized to simulate the impairments resulting from the compression of video sequences, independent of compression scheme. Subjective evaluation methods are not covered in this Recommendation but are instead described in Recommendation P.910.
Principles of a Reference Impairment System for Video
This Recommendation specifies a function that allows data communication applications utilizing protocol stacks which include HDLC procedures [2] also to be deployed in a B-ISDN environment. The required mapping function specified in this Recommendation
B-ISDN ATM Adaption Layer Sublayers: Service Specific Convergence Sublayer for HDLC Applications - Series I: Integrated Services Digital Network - Overall Network Aspects and Functions - Protocol Layer Requirements Study Group 13; 11 pp
This Recommendation describes the technical requirements for a Digital Simultaneous Voice and Data (DSVD) terminal, for operation over the General Switched Telephone Network (GSTN) or 2-wire telephone type leased circuits.
Procedures for the simultaneous transmission of data and digitally encoded voice signals over the GSTN, or over 2-wire leased point-to-point telephone type circuits
This Recommendation describes the technical requirements for a Digital Simultaneous Voice and Data (DSVD) terminal, for operation over the General Switched Telephone Network (GSTN) or 2-wire telephone type leased circuits.
Procedures for the simultaneous transmission of data and digitally encoded voice signals over the GSTN, or over 2-wire leased point-to-point telephone type circuits
ITU (International Telecommunication Union) is the United Nations Specialized Agency in the fieId of telecommunications.
Stage 2 and Stage 3 Functional Specifications for Traffic Management - Series Q: Switching and Signalling Specifications of Signalling System No. 7 - Q3 Interface Study Group 11; 116 pp
The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU). The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view t
Classification of Facsimile Terminals for Document Transmission over the Public Networks - Terminals for Telematic Services (Study Group 8) 6 pp
This Recommendation defines the operation of the Digital Subscriber Signalling System No. 2 (DSS 2) for the handling of the Look-Ahead feature that may be supported, as a network option, prior to Basic call and connection control at the TB or at the coinc
Digital Subscriber Signalling System No. 2: Basic Look-Ahead - Series Q: Switching and Signalling Broadband ISDN - B-ISDN Application Protocols for Access Signalling Study Group 11; 24 pp
This Recommendation I International Standard is applicable to continuous-tone - grayscale or colour - digital stili image data. It is applicable to a wide range of applications which require use of compressed images.
Information Technology - Digital Compression and Coding of Continuous-Tone Still Images: Extensions - Terminals for Telematic Services
The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU)
Intex and Similar Services - Network Rquirements to Effect Interworking between Terminals Operating at Different Speeds - Series U: Telegraph Switching; Intex Service Study Group 1; 10 pp
The ITü-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU). The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view t
INTEX and Similar Services - Terminal Requirements to Effect Interworking between Terminals Operating at Different Speeds - Series S: Telegraph Services Terminal Equipment; Start-Stop Terminals Study Group 1; 7 pp
This Recommendation specifies the functional protocol for the Broadband Integrated Services Digital Network (B-ISDN), using local information exchange, for the application to a range of additional basic call capabilities and supplementary services at the
Digital Subscriber Signalling System No. 2 - Generic Functional Protocol: Core Functions - Series Q: Switching and Signalling Broadband ISDN - B-ISDN Application Protocols for Access Signalling Study Group 11; 102 pp
In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.
Digital Subscriber Signalling System No. 2 (DSS 2) - Signalling Specification for Frame Relay Service - Series Q: Switching and Signalling Broadband ISDN - B-ISDN Application Protocols for Access Signalling
ITU-T Recommendation 4.2959 was prepared by ITU-T Study Group 11 (1993-1996) and was approved under the WTSC Resolution No. 1 procedure on the 9th of July 1996
Digital Subscriber Signalling System No. 2 - Call Priority Study Group 11; 15 pp
two users (e.g. terminals, PABXs) in a point-to-point configuration to communicate via the ISDN using 1920 kbit/s digital signals over the H12-channe1, in both directions continuously
Circuit-Mode Bearer Services Categories: Circuit-Mode 1920 kbit/s Unrestricted 8 kHz Structured Bearer Service - Series I: Integrated Services Digital Network; Services Capabilities- Bearer Services Supported by an ISDN Study Group 1; 12 pp [Superseded: I
The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITü). The ITü-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view
Circuit-mode bearer service categories: circuit-mode 1536 kbit/s unrestricted 8 kHz structured bearer service Study Group 1; 12 pp [Superseded: ITU-T I.231]
In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency.
Circuit-Mode Bearer Service Categories: Circuit-Mode 384 kbit/s Unrestricted 8 kHz Structured Bearer Service Study Group 1; 12 pp [Superseded: ITU-T I.231]
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