| Contributions  | 
| 
 | Number 
 | Title | Source | AI/Question 
 | Date | 
|  | [ 248 ] 
 | Necessity of establishing a recommendation regarding the usage of IPv6 | Information and Communication Technologies Authority (ICTA) (Turkey) | Q5/2, Q3/2, Q1/2 | 2019-11-21 | 
|  | [ 247 ] 
 | Impact of SG13's update of mandate on SG2 Q2/2 work item | Voxbone SA (Belgium) | Q2/2 | 2019-11-21 | 
|  | [ 246 ] 
 | Discussion on permanent assignment of shared E.212 resource to MulteFire Alliance | Huawei Technologies Co., Ltd. (China)
          	    ,
        	    Ministry of Industry and Information Technology (MIIT) (China) | Q1/2 | 2019-11-21 | 
|  | [ 245 ] 
 | New definitions | United Arab Emirates | Q1/2 | 2019-11-21 | 
|  | [ 244 ] 
 | Proposed new work item on Analysis of Recommendation ITU-T F.930 Multimedia Telecommunication Relay Services | United Kingdom | Q1/2 | 2019-11-21 | 
|  | [ 243 ] 
 | No document Contribution number created in error
 | N/A |  | 2019-11-21 | 
|  | [ 242 ] 
 | Proposed NWI on Rules and Governance for the numbering electronic repository e.RAGNER | United Kingdom | Q1/2 | 2019-11-21 | 
|  | [ 241 ] 
 | Proposed NWI on differences between ENUM and Infrastructure ENUM | United Kingdom | Q1/2 | 2019-11-21 | 
|  | [ 240 ] 
 | Clarification of UPT service and its relationship with IoT | United Kingdom | Q1/2 | 2019-11-21 | 
|  | [ 239 ] 
 | Proposal on creation of a new work item on Implementation of Network Colour Codes | Uganda Communications Commission (UCC) | Q3/2 | 2019-11-21 | 
|  | [ 238 ] 
 | Draft text E.supOTTnum | Telecommunication and Postal Regulatory Authority (Sudan) | Q1/2 | 2019-11-21 | 
|  | [ 237 ] 
 | Initial ideas for Study Group structure & mandate (WTSA-20 preparations) | United States | QALL/2 | 2019-11-21 | 
|  | [ 236 ] 
 | Proposed initial revisions to TR.OTTNum (Technical Report on the Current Use of E.164 Numbers as Identifiers for OTTs) | United States | Q1/2 | 2019-11-21 | 
|  | [ 235 ] 
 | Opening a new country code for persons with disabilities | World's Global Telecom (Russian Federation) | Q1/2 | 2019-11-20 | 
|  | [ 234 ] 
 | Proposal for draft new Recommendation E.disab | World's Global Telecom (Russian Federation) | Q1/2 | 2019-11-20 | 
|  | [ 233 ] 
 | Proposals relating to M2M/IoT and 878 | Vision Ng (United Kingdom) | Q1/2 | 2019-11-20 | 
|  | [ 232 ] +Corr.1-2
 | Report on trials of services for people with disabilities | World's Global Telecom (Russian Federation) | Q1/2 | 2019-11-20 | 
|  | [ 231 ] 
 | Introduction to Telecommunications Relay Services "Before and After Its Beginnings" for persons with disabilities and specific needs in text communication and sign language | International Center for Disability Resources on the Internet (ICDRI) (United States) | Q1/2 | 2019-11-20 | 
|  | [ 230 ] 
 | Special services for persons with disabilities | International Center for Disability Resources on the Internet (ICDRI) (United States) | Q1/2 | 2019-11-20 | 
|  | [ 229 ] 
 | Contribution withdrawn by contributor, replaced by LS/i from GSMA
 | N/A |  | 2019-11-20 | 
|  | [ 228 ] 
 | Contribution withdrawn by contributor, replaced by LS/i from GSMA
 | N/A |  | 2019-11-20 | 
|  | [ 227 ] 
 | Draft answer to action items concerning revision of E.164 supplement 2 | Nippon Telegraph and Telephone Corporation (NTT) (Japan) | Q2/2, Q1/2 | 2019-11-20 | 
|  | [ 226 ] 
 | Digit increase of M2M numbers in Japan | Japan | Q1/2 | 2019-11-20 | 
|  | [ 225 ] 
 | Digit increase of MNC of IMSI in Japan | Japan | Q1/2 | 2019-11-20 | 
|  | [ 224 ] 
 | Use of E.164 numbers as identifier by OTTs | Autorité de Réglementation des secteurs de postes et de télécommunications (ART&P) (Togo) | Q1/2 | 2019-11-20 | 
|  | [ 223 ] 
 | Technical report on call location of emergency services | Egypt | Q3/2 | 2019-11-19 | 
|  | [ 222 ] 
 | Draft text of revised E.370 | Egypt | Q3/2 | 2019-11-19 | 
|  | [ 221 ] 
 | FCC's efforts to combat unlawful robocalls and malicious caller ID spoofing | United States | Q1/2 | 2019-11-19 | 
|  | [ 220 ] 
 | Draft M.rcsnsm: "Requirements for synergy management of cloud and SDN-based networks" | Beijing University of Posts and Telecommunications (China) | Q5/2 | 2019-11-19 | 
|  | [ 219 ] 
 | Draft Q.rest: REST-based management services (V0.2) | Beijing University of Posts and Telecommunications (China) | Q7/2 | 2019-11-19 | 
|  | [ 218 ] 
 | Draft X.rest: Guidelines for defining REST-based managed objects and management interfaces (V0.2) | Beijing University of Posts and Telecommunications (China) | Q7/2 | 2019-11-19 | 
|  | [ 217 ] 
 | Proposal for initiating a new work item on "Architecture of AITOM (AI enhanced Telecom Operation and Management)" | China Telecom | Q6/2 | 2019-11-19 | 
|  | [ 216 ] 
 | Proposal for initiating a new work item on "Requirements of AI enhanced TOM based energy saving for 5G systems, including use cases and scenarios" | China Telecom | Q5/2 | 2019-11-19 | 
|  | [ 215 ] 
 | National Numbering Resources Regulation | National Telecommunications Commission (NATCOM) (Sierra Leone) | Q1/2 | 2019-11-18 | 
|  | [ 214 ] 
 | Technical Report on Guidelines for effective and efficient national numbering resources administration | Telecommunication and Postal Regulatory Authority (Sudan) | Q1/2 | 2019-11-18 | 
|  | [ 213 ] 
 | Proposal of the description on the telecommunication anti-fraud management function in M.rtafm. | China Telecommunications Corporation | Q5/2 | 2019-11-18 | 
|  | [ 212 ] 
 | Proposal of some modification on Chapter 5 and Chapter 10  in M.rdm document. | China Telecommunications Corporation | Q5/2 | 2019-11-18 | 
|  | [ 211 ] 
 | National Numbering Resources Misuse (WANGIRI Fraud from Sierra Leone) | National Telecommunications Commission (NATCOM) (Sierra Leone) | Q1/2 | 2019-11-18 | 
|  | [ 210 ] 
 | Draft text for ITU-T E.dit: "Deemed impermissible traffic" | Telecommunication and Postal Regulatory Authority (Sudan) | Q3/2 | 2019-11-18 | 
|  | [ 209 ] 
 | Proposal for a new work item Information Model for Blockchain Management | Beijing University of Posts and Telecommunications (China) | Q7/2 | 2019-11-18 | 
|  | [ 208 ] 
 | Proposal for a new work item Requirements for management of blockchain system | Beijing University of Posts and Telecommunications (China) | Q5/2 | 2019-11-18 | 
|  | [ 207 ] 
 | Proposal for adding and updating descriptions in section 8 of M.rvqms | China Mobile Communications Corporation | Q5/2 | 2019-11-18 | 
|  | [ 206 ] 
 | Proposal for a new work item Requirements for robot-based smart patrol of telecommunication network | Beijing University of Posts and Telecommunications (China) | Q5/2 | 2019-11-18 | 
|  | [ 205 ] 
 | Proposal for updating descriptions of general principles of international calling party number delivery in E.157 | China Mobile Communications Corporation | Q1/2 | 2019-11-18 | 
|  | [ 204 ] 
 | Proposal for updating descriptions of global E.164 number supporting IoT and network-assigned IoT user identification in E.IoT-NNAI | China Mobile Communications Corporation
          	    ,
        	    Ministry of Industry and Information Technology (MIIT) (China) | Q1/2 | 2019-11-18 | 
|  | [ 203 ] 
 | Proposal for updating descriptions of terms and indicators part in M.rvqms | China Mobile Communications Corporation | Q5/2 | 2019-11-18 | 
|  | [ 202 ] 
 | Updates for Draft M.somm: "Framework of smart operation, management and maintenance" | China Telecommunications Corporation | Q6/2 | 2019-11-15 | 
|  | [ 201 ] 
 | Operations of the Emergency Call Center | Uganda | Q3/2 | 2019-11-15 | 
|  | [ 200 ] 
 | Proposal for enhancement of Draft M.tsm-gim: Generic information model for telecommunication smart maintenance | Beijing University of Posts and Telecommunications (China) | Q7/2 | 2019-11-15 | 
|  | [ 199 ] 
 | Aspects of telecommunication services and their operation, including the definition of OTT service | Ministère des Postes, Télécommunications et Nouvelles Technologies de l'Information et de la Communication (Dem. Rep. of the Congo) | Q3/2 | 2019-11-14 | 
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