Multiple mode multiple standby mobile communication terminal with multiple parts communication function

The invention comprises: a first communication module, a second communication module, and a voice inputting and outputting module. The first and second communication modules are respectively connected to the voice inputting and outputting module through first and second switch control circuits for use in receiving and playing the voice signals; a third switch control circuit is used to connect the input and output of first communication module to the input and output of second communication module for use in transmitting the voice signal outputted from the first communication module to a third party through the second communication module, or transmitting the voice signal outputted from second communication module to a third party through the first communication module.