Built-in chord ringer and number announcement in English for the base unit

sp; 8-level LCD contrast adjust for the base unit and handset

sp; Receiver volume adjust for the handset, speaker volume adjust for the base unit

sp; Intercom and call transfer function between the handsets

sp; P/T function.

Sp; Over-range alarm function for the handset

Sp; Backlit display and keypad for the base unit

sp; Callback with long-distance code, the long-distance code can be set freely Does not exceed 2-digitsp; PIN lock function, the number you want to lock can be set freely (does not exceed 2-digit)

sp; Can set the alarm function when paralleling an extension for the base unit

sp; Hold with music for the base unit

sp; One-touch music enjoyment (14 chord music playing in cycle)

sp; Outside line call booking function for the handset