Patent ID: 8774775

Claim:
A method for implementing call recording, wherein, an audio signal channel is established between a master processor and a slave processor of a mobile terminal; the method also comprises: the slave processor sending a microphone's sidetone signal and handset signal of the mobile terminal through the established audio signal channel; the master processor receiving the sidetone signal and the handset signal and recording; wherein said establishing the audio signal channel between the master processor and the slave processor of the mobile terminal is specifically: the mobile terminal's master handset being connected directly with the master processor's multi-channel switch, and the mobile terminal's headset being connected with the master processor's multi-channel switch; the slave processor's first output port being connected with the master processor's first audio input port to form a first audio signal channel; the slave processor's second output port being connected with the master processor's second audio input port, and the second audio input port being connected with the master processor's multi-channel switch to form a second audio signal channel.