User’s Manual

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ノートPC ユーザーマニュアル
Overview
On 4th August 1998 the European Council Decision regarding the CTR 21 has
been published in the O󱐰cial Journal of the EC. The CTR 21 applies to all non voice
terminal equipment with DTMF-dialling which is intended to be connected to the
analogue PSTN (Public Switched Telephone Network).
CTR 21 (Common Technical Regulation) for the attachment requirements for
connection to the analogue public switched telephone networks of terminal
equipment (excluding terminal equipment supporting the voice telephony
justied case service) in which network addressing, if provided, is by means of dual
tone multi-frequency signalling.
内蔵モデムの適応規格 (規格/プロトコルなど原文掲
載)
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