DECT (Digital Enhanced Cordless Telecommunications) cordless telephone system having operator function and mother set thereof

Abstract

The invention discloses a DECT (Digital Enhanced Cordless Telecommunications) cordless telephone system having an operator function, which comprises a mother set and a branch set, wherein the mother set comprises a mother set processor, a storage and a telephone line interface circuit; the telephone line interface circuit comprises a ringing current signal detection unit; the storage comprises a branch set information storage unit used for storing the preset branch set information; the mother set processor comprises a branch set information transmission unit and a dialing instruction processing unit; the branch set information transmission unit is used for reading the branch set information after detecting the caller ringing current signal, and transmitting the branch set information to the calling party; and the dialing instruction processing unit is used for sending a transmission stop signal to the branch set information transmission unit after receiving the branch set dialing instruction input by the calling party, and getting through the corresponding branch set. The invention also discloses a corresponding cordless telephone mother set. The system can facilitate finding the needed branch set for the user conveniently and fast so as to achieve the operator effect of a small exchange board, and is particularly applicable to families and small firms.

Description

technical field [0001] The present invention relates to wireless communication, in particular to a DECT cordless telephone system with operator function and its base unit. Background technique [0002] A cordless telephone system is a telephone comprising a base unit connected to the Public Switched Telephone Network (PSTN) by telephone lines and one or more slave units connected by radio communication. The base unit transmits the voice / ring tone signal on the telephone line to the sub-unit, and at the same time transmits the voice signal from the sub-unit to the telephone switching network. These handsets are generally placed in different locations for different people to use. When a call comes in, after the main machine detects the ring current signal, it will call all the sub-units in a group. After receiving the ringtone call from the main unit, the sub-units will ring at the same time. Ask who to look for, if you want to talk to yourself, you can talk immediately, but...

AI Technical Summary

Problems solved by technology

When a call comes in, after the main machine detects the ring current signal, it will call all the sub-units in a group. After receiving the ringtone call from the main unit, the sub-units will ring at the same time. Ask who to look for, if you want to talk to yourself, you can talk immediately, but often the caller is not necessarily the one who picks up the phone first, in this case, you need to manually transfer to the caller's handset , very troublesome and time-consuming

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