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ETSI TBR 038

M00000156

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ETSI TBR 038 Public Switched Telephone Network (PSTN); Attachment requirements for a terminal equipment incorporating an analogue handset function capable of supporting the justified case service when connected to the analogue interface of the PSTN in Europe

standard by European Telecommunications Standards Institute, 05/01/1998

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This TBR specifies the technical characteristics (electrical and acoustic requirements) under Article 4(g) of Directive 91/263/EEC to be provided by a single, handset telephony, terminal equipment which is intended: (a) for pan-European approval; and (b) for connection by 2-wires to an analogue interface of a PSTN. This interface is characterised by a d.c. loop to indicate seizure and clearing, low frequency a.c.ringing signals below the speech passband to indicate an incoming call and in the transmission phase has an approximate bandwidth of 3 kHz at the network termination point; and (c) for supporting the voice telephony justified case service. Work Item supported by Nortel, BT, Siemens, CSELT, BAKOM/OFCOM, GPT