详情
* Different kinds of coins acceptable
* Distinguish eight kinds of coins
* Optimum refund
* Charging method: exhange charging signal or internal tariff
* Charging signal: reverse polarity, *2K/*6KHz, or push to talk
* Internal tarif: EPROM setting and additional programming via
keypad
* Function keys: follow on call, push to talk, voice amplification,
redial
* Types of call: local, long distance, IDD, free, barred and
incoming calls
* LCD: dialed number, inserted coin value, remaining conversation
time or remaining credit, self-diagnostic message, and value of
collected coins
* Metal housing
