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                                | 国家编号方案的表述形式 |  |  
                                | ITU-T E.129建议书旨在确定一种方法,为在各国国家编号方案(NNP)(如各国就ITU-T E.164建议书的申请)中表述ITU-T E.164号码提供一种标准方法。本建议书还包括向相关各方提供这种NNP信息的方法,以及及时提供的对选路、计费和国际电信业务结算有影响的编号方案修改信息。本建议书还有助于收集其他可能相关的信息,如与应急服务(应急号码)和社会服务等重要服务相关的号码信息以及有关落实ITU-T E.164号码可携带性(NP)的信息。 |  |  
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                                | Citation: | https://handle.itu.int/11.1002/1000/11617 |  
                                | Series title: | E series: Overall network operation, telephone service, service operation and human factors E.100-E.229: International operation
 E.120-E.139: General provisions concerning users
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                                | Approval date: | 2013-01-31 |  | Provisional name: | E.rnn |  | Approval process: | TAP |  
                                | Status: | In force |  
                                | Maintenance responsibility: | ITU-T Study Group 2 |  
                                | Further details: | Patent statement(s) Development history
 
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							| ITU-T Supplement | Title | Status | Summary | Table of contents | Download |  
                    | E-100 series Suppl. 1 (02/2019) | ITU-T E.100 series – Framework of disaster management for disaster relief system | In force | 
					here | 
					here | here |  
                    | E Suppl. 11 (06/2020) | Criteria for M2M/IoT-related assignments under Recommendation ITU-T E.164.1 and Recommendation ITU-T E.212 Annex A | In force | 
					here | 
					here | here |  
    
    
    
 
						
                                    
    
    
        
            | Title | Approved on | Download |  
                    | Radio fequency-level based single-number indicator for mobile network usefulness for a given range of applications | 2023 | here |  
                    | Technical Report on analysis of ITU-T F.930 | 2020 | here |  
                    | Identify call location for emergency service | 2020 | here |  
    
    
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