GPF35-A is the GSM outdoor payphone that uses IC card to record bill, accept centralized remote management. Its functions and features accord with the correlative rules of "Technology Criterion of Mobile IC Card Payphone System" and YDN109-1988 "General Technology Requirement of IC card Payphone"
Features:
Normal calls: insert IC card then make calls, call charge will be deducted from IC card
Emergent calls (such as 119, 110): no need to insert IC card. The call is free
Dial via IP: Do not insert IC card. Input IP access code and IP account, then press key "IP Call". The payphone will send IP access code directly
Dynamic balance display: during a call, the dynamic balance of IC card is displayed
Answer incoming calls: incoming calls can be set as free or toll required via change parameters
Continue calls: when one call is ended, press key "Continue Calls" to make another call
Redial: do not pull out IC card, press key "Redial" to send the latest calls
Change IC card during calls: according voice indication to change IC card during a call
Languages: two kinds of language Chinese and English are optional
Charge mode: time-sharing bill, holiday discount bill can be flexible set. The long distance call can be set up to bill per second. The difference of timing is less than 0.1 second.
SIM card: SIM card can be inbuilt the box
Self-diagnosis: maintenance software is available for technician to make maintenance and installation
IC card reader: IC card reader can tell IC card and other deviant card. It is life time is no less than 1 million times
Statistic and report: Payphone collects the data of the business condition and send it to management center
Call records: 500 entries call record can be saved in payphone
Setting: 1000 entries white list and 200 entries black list can be set
