Home Desktop Corded Telephone LCD Display Hands Free Caller ID Alarm Clock Business Landline Telephone for Home Hotel Item Type: Wired Phone Material: ABS Colour: Black Features: 1. DTMF FSK dual system caller ID (automatic identification) 2. Caller ID and call time record 50 groups (8 digits) or 32 groups (16 digits) 3. Outgoing number 14 groups (8 digits) or 8 groups (16 digits) and call time record 4. Real time date and week display, LCD brightness adjustable in 5 levels 5.1 to 99 hours do not disturb 6.16 common ringtones to choose from, the volume of the ringtone can be adjusted in four levels (60 to 83 decibels) 7. The software sets the ringer volume, no need to switch 8. Software set electronic anti theft; optional soft set P T, no switch needed 9. FLASH time 90 95 100 120 180 300 600 1000ms software can choose 10.3 groups of alarm function settings, each group of alarm sounds is different 11.6 groups of single key memory quick dialing keys 12 Built in music HOLD function, and the machine is automatically lifted 13. When you forget to take up the line or hangup badly, it will automatically take up the line (when the line has no clutter interference). 15. Local code 8 bits setting, automatic call filter 16. The R key function can cooperate with the switch to do the transfer function.