1. Calling Line Identification Presentation (CLIP)
2. Support charging and time limiting for incoming calls
3. Function keys for follow-on calls, redial, hands free and volume regulation / stored IP prefix
4. Supports dialing length analysis
5. Supports holiday discount and composite charging
6. Real-time display of call length and charges during the call
7. Current call record displays when the handest is on-hook
8. Support calling in pre-payment mode
9. Support adding long-distance prefix and/or IP prefix automaticlly
10. View statistics on last 15 days and last 2 months
11. Support printing of CDRs
12. Support data communication format of grouping exchange
13. Self-diagnosis and fault alarm report
14. Two backlit LCDs to display prompts for owner and guest
15. Large memory to store up to 160 tariff settings and 200 CDRs
16. Supports E-purse account control
17. Provided with a RJ45 socket for a special data-download card to update phone parameter, tariff and program easily
18. Capable to connect with a printer via RJ45 socket
19. Locking into a specified GSM/CDMA carrier and service area is programmable
20. Designed for low power consumption and supports external AC/DC adapter or solar power panel charging (optional)
21. Storage battery of large capacity (optional) can extend the talk time to 4+ hours and the standby time to 100+ hours
22. Modular design that makes hardware and software easy to upgrade
23. Powerful encryption to ensure high security of data
24. Wireless payphone management software available
