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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
- Publisher: ETSI
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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