1. Support GSM 850MHz/900MHz / 1800MHz/1900MHz optional 2. Caller ID 3. Dot-matrixed display with Chinese, English, Spanish optional 4. SMS function 5. IP No. setting 6. Software upgrade jack 7. Data service, Support CSD and GPRS class 10/8. Connect PC by USB port 8. Call in / Call out /Call divert/ Call waiting limitation function
