Details：
1.It is applicable for speedway system to dial-up help call for emergency;
2.It is applicable for railway or metro system to dialup the section telephone;
3.It is applicable for customers to dialup complaining or service telephone of ATM machines or other service stations;
Details：
1. After picking up the phone, you can dial 110, 120, 119 and other emergency numbers in the first three seconds.
2. After picking up the phone for three seconds, the phone will automatically dial the bank customer service line;
3. After off-hook for 30 minutes, the phone will automatically hang up. Pick up the phone again and use the phone normally.
4. Dial-free direct-through wall-mounted telephone
Details：
Applicable to banks, securities companies, exhibition halls, tax bureaus, auditoriums, parks, scenic spots for help, people looking for large supermarkets, airports, stations, large dust-free workshops, safe city alarms and other unattended places.
Details：
1. Lift the receiver and the phone will automatically dial the pre stored number. 2. Cold rolled steel shell, zinc alloy hook, ABS+PC earpiece, sturdy and durable. 3. Support customized silk screen logo.
