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T1.3GPP.29.007V380 380 关于公共陆地移动网络(PLMN)和综合业务数字网(ISDN)或公共交换电话网之间互通的一般要求
标准号 T1.3GPP.29.007V380     登录可关注该标准
中文名称 关于公共陆地移动网络(PLMN)和综合业务数字网(ISDN)或公共交换电话网之间互通的一般要求
英文名称 General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)
发布日期 2001-03-01
工作组 Committee T1 Subcommittee:T1P1/3GPP
标准状态 标准的状态、替代、引用关系等信息只对网员开放,请登录
摘要 The present document identifies the Mobile-services Switching Centre/Interworking Functions(MSC/IWFs)and requirements to support interworking between:
a)PLMN and PSTN;
b)PLMN and ISDN;
for circuit switched services in the PlMN.It is not possible to treat ISDN and PSTN as one type of network,even when both ISDN and PSTN subscribers are served by the same exchange becauese of the limitations of the PSTN subscribers access i.e.analogue connection without D-channel signalling.
Within the present document,the requirements for voice and non-voice (data)calls are considered separately.
From GSM R99 onwards the following services are no more required to be provided by a GSM PLMN:
-the dual Bearer Services"alternate speech/data"(BS 61)and "speech followed by data"(BS 81);
-the dedicated services for PAD (BS 4x)and Packet access (BS 5x);
-the single asynchronous and synchronous Bearer Services (BS 21..26,BS 31...34).
If a PlMN network still provides these services it shall fulfil the specification of GSM R98.
The present document is valid for a 2nd generation PLMN (GSM)as well as for a 3nd generation PLMN (UMTS).If text applies only for one of these systems it is explicitly mentioned by using the terms"GSM"and "UMTS".If text applies to both of the system,but a distinction between the ISDN/PSTN and the PlMN is necessary,the term "PLMN"is used.
Descriptions related to facsimile are not applied to UMTS but to GSM.
页数 74
全文上线日期 2003-07-14
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