1、Automatic detection of FSK and DTMF caller ID. 2、When you dial the number can automatically query the phone number and call time. 3、Support fast query call records, and has a callback function. 4、It can automatically filter the local telephone number, the length of the telephone area code is 5 digits. 5、1 set of automatic IP, each set of memory length (including solidified IP access number) is 32 bits. Features: Automatic detection of FSK and DTMF caller ID. When you dial the number can automatically query the phone number and call time. Support fast query call records, and has a callback function. It can automatically filter the local telephone number, the length of the telephone area code is 5 digits. 1 set of automatic IP, each set of memory length (including solidified IP access number) is 32 bits. The pre-dial number is 32 digits long, so you can change the number easily. Add the dialing code yourself, the outgoing code is automatically suspended. Electronic desk calendar, date, clock and date display. Specifications: Material: Resin Size: Approx. 21*17*12cm/8.27*6.69*4.72inch Color: As is shown on the photo Model: MS-5500A Package list: 1 x Landline 1 x Earpiece 1 x Connect Cable 1 x Holder Note: The telephone support has certain range of rock, this is to avoid the lever principle to the telephone set design intentionally, does not have the quality question, does not affect the use.