Industrial Voip 4G GSM Wireless Telephone Highway Roadside Solar Intercom Call Box -JWAT414

1. Hands-free function, built-in 2W power amplifier, adjustable volume;
2. Handle mode, volume adjustable;
3. Incoming call ringing;
4. Automatic answering of incoming calls, which can be set to answer automatically after ringing 1-7 times;
5.LCD display screen function: can display time, date, operator information, ambient temperature, battery power, charging status, signal strength, incoming and outgoing call numbers
6. Alarm Function: Handset vandalism;
Case tamper alarm;
Motherboard removal alarm;
Horn microphone failure alarm;
Horn microphone failure alarm;
Hands-free button failure alarm
7. Fault clearing alarm SMS confirmation.
8. Full keyboard design, support 4*5 keyboards, including number keys, *, #, up, down, confirmation, return, four speed dial function keys;
9. Independent design of hands-free button;
10. On-hook automatic dialing function (emergency numbers need to be set, there are 3 groups in total, if the previous group fails to get through, the next group will be dialed in turn);
11. 4 groups of one-key speed dialing;
12. Phone status indicators (network and power-on indicators);
13. Solar charging function;
14. Adapter charging function;
15. External dome antenna;
16. Keyboard programmable function;
17. Button prompt sound;
18. Remote SMS programmable function;
19. The keyboard menu can be set;
20. SMS query phone status function, which can be manually checked or sent automatically at regular intervals.