Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and ... Key Specifications/Special Features:Features: Supporting billing shown in double LCDS, and having the function of checking ... , and the dates sum Supporting all frequencies of CDMA 800 or 1,900MHz Voice call Supporting incoming calls ... 90% Payphone with 800, 450 or 1,900MHz CDMA Frequency, Two-way SMS, Voice Mail and Caller ...