TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - ALERTER ACOUSTIC OUTPUT PERFORMANCE REQUIREMENTS FOR ANALOG TELEPHONES
电信.电话终端设备.模拟电话的警报声输出性能要求

2004-04-20

TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - HEADSET ACOUSTIC PERFORMANCE REQUIREMENTS FOR ANALOG TELEPHONES
电信.电话终端设备.模拟电话的耳机声学性能要求

2007-01-26

TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - HANDSET ACOUSTIC PERFORMANCE REQUIREMENTS FOR ANALOG TERMINALS
电信.电话终端设备.模拟终端的手持设备声学性能要求

2003-12-29

TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - HANDSET ACOUSTIC - PERFORMANCE REQUIREMENTS FOR ANALOG TERMINALS
电信.电话终端设备.听筒声学.模拟终端的性能要求

2007-04-11

Telecommunications Telephone Terminal Equipment Radio Frequency Immunity Requirements for Equipment Having an Acoustic Output
电信电话终端设备具有声输出的设备的射频抗扰度要求

1996-04-01

TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - MAGNETIC FIELD AND ACOUSTIC GAIN REQUIREMENTS FOR HEADSET TELEPHONES INTENDED FOR USE BY THE HARD OF HEARING
电信.电话终端设备.听力障碍者用耳机电话的磁场和声增益要求

1998-02-01