Solution 1: Co-work with VTC VPS(VOIP Payphone Server): Payphone can collect the coin by the rate table of VPS.
Operation:
User pick up the handset and insert coin
Payphone display the credit of the coin on LCD
User dial the Phone number
When the other party answer this call, payphone start to collect the coin into casbhox. And tariff by the VPS's rate table ( Change the rate table of VPS , all the payphone's rate will be changed)
Solution 2:Co-work with your existing SIP server : Payphone can collect the coin when the call is answered by the other party. And tariff by the internal Rate table of payphone.
Operation:
User pick up the handset and insert coin
Payphone display the credit of the coin on LCD
User dial the Phone number
When the other party answer this call, payphone start to collect the coin into casbhox. And tariff by the this payphone's internal rate table
Inetrnal rate table:
1000 sets prefix number could be defined.
46 sets different rate could be defined.
Discounet time supported
rate table could be updated by 4 ways
1. Remote Payphone System : Registe to Remote Payphone system via ineternet (Remotely)
2. Change Memory Chip (Manually)
2. payphone connect the to PC (Manually)
3. by keypad (Manually)
VOIP Specifications:
Generate 12K, 16kMz , Reverse metering singal
Easy Interface to ADSL/Calbe Modem or leased line equipment
Support SIP v1 (RFC2543), v2 (RFC3261)
Behind NAT Router or IP sharing Device.
DTMF support : SIP info, RFC2388, Out -band DTMF, In-Band DTMF.
Configuration : Web browser, Console/Telnet, IVR/Keypad, Auto-provision.
