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ITU-T E.138 Erratum 1 Human factors aspects of public telephones to improve their usability for older people, Erratum 1
ITU-R F.1110-3 Adaptive radio systems for frequencies below about 30 MHz
ITU-R F.1605-0 Error performance and availability estimation for synchronous digital hierarchy terrestrial fixed wireless systems
ITU-R F.1611-0 Prediction methods for adaptive HF system planning and operation
ITU-R F.1612-0 Interference evaluation of the fixed service using high altitude platform stations to protect the radio astronomy service from uplink transmission in high altitude platform station systems in the 31.3-31.8 GHz band
ITU-T Q.933 ISDN Digital Subscriber Signalling System No. 1 (DSS1) - Signalling specifications for frame mode switched and permanent virtual connection control and status monitoring
ITU-T Q.931 Erratum 1 ISDN user-network interface layer 3 specification for basic call control, Erratum 1
ITU-R SF.1602-0 Methodology for determining power flux-density statistics for use in sharing studies between fixed wireless systems and multiple fixed-satellite service satellites
ITU-T Z.121 Specification and Description Language (SDL) data binding to Message Sequence Charts (MSC)
ITU-T X.606.1 Information technology - Enhanced Communications Transport Protocol: Specification of QoS management for simplex multicast transport
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