Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: DIN EN 301437
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Terminal Equipment (TE) - Attachment requirements for pan-European approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE supporting the voice telephony service in wich network addressing, if provided, is by means of Dual Tone Multi Frequency (DTMF) signalling (Endorsement of the English version EN 301437 V 1 - 1 - 1 (1999-06) as German standard)