IEEE Standard Methods for Measuring Transmission Performance of Telephone Handsets and Headsets
€138.00
IEEE Standard Method for Measuring Transmission Performance of Handsfree Telephone Sets
€135.00
Requirements for payphones for networks other than the ISDN
€193.00
Essential requirements for terminal equipment intended for connection to unstructured digital leased circuits of the public telecommunications network using a CCITT Recommendation G.703 interface at a rate of 2048 kbit/s with a 75 ? unbalanced presentation
€269.00
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using channel associated signalling
€316.00
IEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets Amendment 1
€107.00
IEEE Standard Method for Measuring Transmission Performance of Speakerphones
€91.00
Telephones
Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification series connected apparatus having less than maximum allowable impairments
€81.00
Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification series connected apparatus having maximum allowable impairments
€165.00
Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. auto-calling, auto-answering and auto-clearing facilities Specification
Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines
Universal Personal Telecommunication (UPT) - Access devices - Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone; English version I-ETS 300380:1995
€41.78
Microphones and earphones for speech communications (IEC 100C/104/CD:1997)
€111.40
