Method for double-card double-standby double-call mobile phone to realize three-party calling

Abstract

The invention relates to a method for a double-card double-standby double-call mobile phone to realize three-party calling. The double-card double-standby double-call mobile phone comprises a mobile phone card A and a mobile phone card B. The mobile phone card A is correspondingly provided with a microphone A and an audio output A. The mobile phone card B is correspondingly provided with a microphone B and an audio output B. A local multi-party call key is arranged on the mobile phone; a logic control switch on a circuit board inside the mobile phone is set in a mode that a microphone signal is simultaneously input to the microphone A and the microphone B and simultaneously signals of the audio output A and the audio output B are output; and when the mobile phone card A and the mobile phone card B are respectively in the call state, the local multi-party call is implemented by the multi-party call key. The implementation of the invention can enable a user to simply realize the three-party calling by the local mobile phone without using a value-added service when the user uses the mobile phone of the invention so as to be convenient for the user to use.

Description

technical field [0001] The invention relates to the field of mobile communication, and more specifically relates to a method for realizing a three-party call with a dual-card, dual-standby, and dual-pass mobile phone. Background technique [0002] With the rapid development of mobile communication technology, mobile phones are making great strides towards the trend of light, thin and small. In order to meet the needs of users for different functions of mobile phones, mobile phones are gradually combined with general electronic consumer products and become a multi-purpose electronic device. Communication products, for example, existing dual-card single-standby mobile phones in the prior art, that is, mobile phones with only one card that can be in standby; dual-card dual-standby single-pass mobile phones, that is, dual-card standby at the same time. Then it cannot be connected; dual-card dual-standby dual-pass mobile phone, that is, dual-card standby at the same time, and two...

AI Technical Summary

Problems solved by technology

However, no matter how many cards and how many calls the mobile phone is on, the generally known mobile phone can only talk with one party, that is, the mobile phone that makes the call communicates with the mobile phone that receives the call through the base station. call, it cannot be implemented, which makes the user deeply inconvenient

Although mobile operators have launched many value-added services for conference phones, they have different requirements for user thresholds, the fees are high, and it is not very convenient to use.

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