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ITU-T Recommendations (international standards)

• ITU-T Rec. E.106 "International Emergency Preference Scheme for disaster relief operations (IEPS)"
• ITU-T Rec. E.107 "Emergency Telecommunications Service (ETS) and Interconnection Framework for National Implementations of ETS"
• ITU-T Rec. E.108 "Requirements for a disaster relief mobile message service"
• ITU-T Rec. E.119 "Requirements for Safety Confirmation and Broadcast Message Service for Disaster Relief"
• ITU-T Rec. E.123 Amendment 1 "Notation for national and international telephone numbers, e-mail addresses and Web addresses: Contact information in case of emergency for mobile telephones"
• ITU-T Rec. E.161.1 "Guidelines to select Emergency Number for public telecommunications networks"
• ITU-T H.246 Amendment 1 "Mapping of user priority level and country/international network of call origination between H.225 and ISUP"
• ITU-T Rec. H.248.44 "Gateway control protocol: Multi-Level Precedence and Pre-emption Package"
• ITU-T Rec. H.460.4 "Call priority designation and country/international network of call origination identification for H.323 priority calls"
• ITU-T Rec. H.460.14 "Support for Multi-Level Precedence and Preemption (MLPP) within H.323 Systems"
• ITU-T Rec. H.460.21 "Message broadcast for H.323 systems"
• ITU-T Rec. J.260 "Requirements for Emergency/Disaster Communications over IPCablecom Networks"
• ITU-T Rec. J.261 "Framework for implementing preferential telecommunications in IPCablecom and IPCablecom2 networks"
• ITU-T Rec. J.262 "Specifications for authentication in preferential telecommunications over IPCablecom2 networks"
• ITU-T Rec. J.263 "Specification for priority in preferential telecommunications over IPCablecom2 networks"
• ITU-T Rec. L.390 "Disaster management for outside plant facilities"
• ITU-T Rec. L.391 "Monitoring systems for outside plant facilities"
• ITU-T Rec. L.392 "Disaster management for improving network resilience and recovery with movable and deployable ICT resource units"
• ITU-T Rec. M.3350 "TMN service management requirements for information interchange across the TMN X-interface to support provisioning of Emergency Telecommunication Service (ETS)"
• Signalling for IEPS support in ISUP: Q.761 Amd.3,Q.762 Amd.3, Q.763 Amd.4, and Q.764 Amd.4
• Signalling for IEPS support in BICC: Q.1902.1 Amd.2,Q.1902.2 Amd.3, Q.1902.3 Amd.3, and Q.1902.4 Amd.3
• Signalling for IEPS support in CBC: Q.1950 Amd.1 Annex G
• Signalling for IEPS support in ATM AAL2: Q.2630.3 Amd.1
• Signalling for IEPS support in DSS2: Q.2931 Amd.5
• ITU-T Rec. Q.3615 "Protocol for GeoSMS"
• ITU-T Rec. X.1303 "Common Alerting Protocol (CAP V1.1)"
• ITU-T Rec. X.1303bis "Common Alerting Protocol (CAP V1.2)"
• ITU-T Rec. Y.1271 "Framework(s) on network requirements and capabilities to support emergency communications over evolving circuit-switched and packed-switched networks"
• ITU-T Rec. Y.2074 "Requirements for Internet of Things devices and operation of Internet of Things applications during disasters"
• ITU-T Rec. Y.2205 "Next Generation Networks - Emergency Telecommunications - Technical Considerations"
• ITU-T Rec. Y.2705 "Minimum security requirements for the interconnection of the Emergency Telecommunications Service (ETS)"
• ITU-T Rec. Y.4250/Y.2222 "Sensor control networks and related applications in a next generation network environment"

Supplements (non-normative):

• Supplement 9 to ITU-T H-Series Recommendations "Gateway Control Protocol: Operation of H.248 with H.225.0, SIP, and ISUP in Support of Emergency Telecommunications Service (ETS)/International Emergency"
• Supplement 35 to ITU-T L-series Recommendations "Framework of disaster management for network resilience and recovery"
• Supplement 47 to ITU-T Q-series Recommendations "Emergency services for IMT-2000 networks - Requirements for harmonization and convergence"
• Supplement 53 to ITU-T Q-series Recommendations "Signalling requirements to support the International Emergency Preferential Scheme (IEPS)"
• Supplement 57 to ITU-T Q-series Recommendations "Signalling Requirements to support the Emergency Telecommunication Service (ETS) in IP Networks"
• Supplement 62 to ITU-T Q-series Recommendations "Overview of the work of standards development organizations and other organizations on the emergency telecommunications service"
• Supplement 63 to ITU-T Q-series Recommendations "Signalling protocol mappings in support of the Emergency Telecommunications Service in IP networks"
• Supplement 68 to ITU-T Q-series Recommendations "ETS interoperability limitations'​​