Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ID... Country ... all frequencies of CDMA 800 or 1,900MHz Voice call Supporting incoming calls indicator Setting the ... calls Adaptive to wide range of voltage with low power consumption Fast intelligent dialing numbers ... to 90% Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ...