Patent ID: 7366535

Claim:
A mobile communication terminal for use in a wireless communication network, the mobile communication terminal comprising: a processor unit controlling the operation of the mobile communication terminal; a microphone; a sound processor unit being configured to operate the terminal for push-to-talk communication with at least one other mobile communication terminal via the communication network; said processor unit operating said terminal during said push-to-talk communication in a latency state or in an active state in which sound captured by the microphone is processed by the sound processing module by comparing the sound level detected by the microphone with a first given threshold; switching to the active state, if the sound level detected by the microphone exceeds the first given threshold; said processor unit being configured to change from the latency state to the active state in dependence of the sound captured by the microphone where the active state comprises: sending speech request to the communication network; waiting for a response from the communication network; receiving a response from the communication network; and sending the sound captured by the microphone to the other mobile communication terminal if the response from the communication network is positive.