*two lcd displays for host and guest seperatelly.
* e-purse feature supported
* gsm networking& sim card locking
* low power consumption with 3 recharged batteries or external power.
* clock/date, call duration/credit display
* large memory stored up to 200 cdrs.
* self-diagnosis and alarm report
* optional gsm payphone management system available
* pre-paid or post-paid mode are available.