1、Good Compatibility: This desktop landline telephone is DTMF or FSK compatible, making it suitable for use in various settings such as homes, hotels, offices, call centers, and more, providing reliable and efficient communication solutions. 2、Advanced Functions: The telephone supports a range of essential functions including mute, flash, redial, pause, hold, back dial, and anti steal dialing, ensuring ease of use and enhanced communication capabilities. 3、Extensive Call Memory: With 50 groups of 8 digits incoming call memory and 14 groups of 8 digits outgoing call memory, the telephone enables efficient call management and easy access to previously dialed or received numbers. 4、Customizable Settings: The telephone offers 16 ring melodies for selection, as well as adjustable ringing volume (4 levels) and speaker volume (2 levels), allowing users to individualize their experience based on their preferences. 5、Multifunctional: In the on hook state, the telephone provides a calculator function for simple calculations, adding extra functionality. The DND (Do Not Disturb) function enhances secret by allowing incoming calls only for VIP specified numbers, ensuring uninterrupted communication for important contacts while minimizing disruptions from other calls. Item Type: Corded Telephone Color: Off White Material: ABS Item Size: 15 x 19 x 6.5cm / 5.9 x 7.5 x 2.6in Item Weight: 390g / 13.8oz 1 x Telephone Transmitter 1 x Telephone Receiver 1 x Connection Cable 1 x Telephone Line 1 x Manual(English)