I.S. I-ETS 300 281:1994
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TELEPHONY KHZ TELESERVICE - TERMINAL REQUIREMENTS NECESSARY FOR END-TO-END COMPATIBILITY
01-12-2013
Specifies technical characteristics (logical and electro acoustic) that are necessary to provide end-to-end compatibility of terminal equipment that support the telephony 7 kHz teleservice which is intended for connection to the basic rate interface at the coincident S and T reference point of the pan-European Integrated Services Digital Network (ISDN), as provided by European public telecommunications operators.
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