Terminal Equipment (TE); Telephony for the hearing impaired; Electrical coupling of telephone sets to hearing aids
终端设备(TE);为听力受损者提供电话服务;电话机与助听器的电耦合
发布日期:
1996-09-01
规定电话接收器和助听器之间电气接口的特性和相关试验方法。适用于模拟电话终端和数字电话终端。
To specify characteristics & related test methods for an electrical interface between telephone receivers & hearing aids. Applicable to both analogue telephony terminals & digital telephony terminals.