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* Two backlit LCDs to display prompts for host and guest individually

* Provides reversal polarity signal for billing

*. Can call local, national and international calls

*. pre-set IP number that can reduce the national and international call costs, pre-set of Barred Numbers

*. pre-time display of call time and call charges

*. Calling Line ID identifies callers on incoming calls, supports charging for incoming calls

*. Call records: lists calls made, received and missed. Also the duration of each call

*. Large, easy to read, variable contrast LCD indicates time, date, network operator,

*. An external high-gain antenna ensure signal quality

* Function keys for follow-on calls, redial, handsfree and volume regulation / stored IP prefix

* Provided with a RS232 socket for PC download to update phone parameter, tariff and program easily

* Locking a specified carrier and service area is programmable, pin lock for smart card, phone lock

* can talk continuously for 2 hours and standby for ten hours without external power.

* NMS remote network management function. Tariff rate update through pc, SMS, serial port.