共找到 2366 条与 通信网结构 相关的标准,共 158 页
The International Telecommunication Union (ITU) is the United Nations specialized agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of ITU. ITU-T is responsible for studying technical,
Enhanced Telecom Operations Map (eTOM) The business process framework Study Group 4
This document provides frameworks and methodologies for the identification of QoS criteria relevant to users and guidelines for conversion of these criteria into QoS parameters that can be used to evaluate the QoS of telecommunication services.
Framework and methodologies for the determination and application of QoS parameters Study Group 2
This amendment provides updated material pertaining to the architecture and requirements for routing in automatically switched optical networks as described in ITU-T Recommendation G.7715/Y.1706.
Architecture and requirements for routing in the automatically switched optical networks Amendment 1 Study Group 15
ITU-T Recommendation G.7715.2/Y.1706.2 was approved on 6 February 2007 by ITU-T Study Group 15 (2005-2008) under the ITU-T Recommendation A.8 procedure.
ASON routing architecture and requirements for remote route query
In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency
The telebiometric multimodal model ?A framework for the specification of security and safety aspects of telebiometrics Corrigendum 1 Study Group 17
This Recommendation identifies a set of data structures and formats of one software system. These data forms appear at the various interfaces to and media of the system and comprises intermediate forms for transformations between the external forms.
Data architecture of one software system Study Group 17
ITU-T Recommendation G.7715.2/Y.1706.2 was approved on 6 February 2007 by ITU-T Study Group 15 (2005-2008) under the ITU-T Recommendation A.8 procedure.
ASON routing architecture and requirements for remote route query
The ITU Radiocommunication Assembly considering a)that Internet Protocol (IP) applications are experiencing and are expected to continue to experience high rates of growth globally;b)that demands to access the Internet via mobile communications systems using IP are increasing rapidly;c)that demands for global Voice-over-IP (VoIP) services via mobile communications systems are also increasing rapidly.
Internet protocol applications over mobile systems
Satellite Earth Stations and Systems (SES); Satellite Digital Radio (SDR) Systems; Outer Physical Layer of the Radio Interface
Broadband Radio Access Networks (BRAN); HiperMAN; Physical (PHY) layer V1.4.1
Broadband Radio Access Networks (BRAN); HiperMAN; Conformance Testing for WiMAX/HiperMAN 1.2.1; Part 1: Protocol Implementation Conformance Statement (PICS) proforma v2.4.1
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Architecture to support emergency communicatio
Broadband Radio Access Networks (BRAN); HiperMAN; Data Link Control (DLC) layer V1.4.1
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia Subsystem (IMS); Functional architec
Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia Subsystem (IMS); Functional architec
The IP multimedia subsystem (IMS) as specified by the 3rd Generation Partnership Project (3GPP) and the 3rd Generation Partnership Project 2 (3GPP2), has been adopted, and will be adapted as required, to support session-based services, and other services based on session initiation protocol (SIP). This Recommendation describes how the IMS can be used in the NGN context following the fundamental principles described in [ITU-T Y.2001] and [ITU-T Y.2011]. This Recommendation identifies the IMS for use in NGN and describes the use of the IMS in providing the IP multimedia service component of the NGN functional architecture and describes its relationships to other service components. It further identifies those IMS architecture documents that are relevant in the context of NGN. For more detail refer to [ITU-T Y.2012].
IMS for Next Generation Networks
This Recommendation describes the service and network capability requirements for a call server-based (CS-based) PSTN/ISDN emulation component. It also provides a list of network elements used in conjunction with the CS-based PSTN/ISDN emulation component. Appendix II also provides a number of call control scenarios for CS-based PSTN/ISDN emulation component.
Call server-based PSTN/ISDN emulation
This Recommendation describes the functional architecture, interworking with other components, and reference point requirements of the PSTN/ISDN emulation service component including call server based approach and IMS-based approach.
PSTN/ISDN emulation architecture
The IP multimedia subsystem (IMS) as specified by the 3rd Generation Partnership Project (3GPP) and the 3rd Generation Partnership Project 2 (3GPP2), has been adopted, and will be adapted as required, to support session-based services, and other services based on session initiation protocol (SIP). This Recommendation describes how the IMS can be used in the NGN context following the fundamental principles described in [ITU-T Y.2001] and [ITU-T Y.2011]. This Recommendation identifies the IMS for use in NGN and describes the use of the IMS in providing the IP multimedia service component of the NGN functional architecture and describes its relationships to other service components. It further identifies those IMS architecture documents that are relevant in the context of NGN. For more detail refer to [ITU-T Y.2012].
IMS for Next Generation Networks
This Recommendation describes the service and network capability requirements for a call server-based (CS-based) PSTN/ISDN emulation component. It also provides a list of network elements used in conjunction with the CS-based PSTN/ISDN emulation component. Appendix II also provides a number of call control scenarios for CS-based PSTN/ISDN emulation component.
Call server-based PSTN/ISDN emulation
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