Patent ID: 8041312

Claim:
An information guidance service system for providing an information guidance service to a user terminal having a push-to-talk over cellular (PoC) function with voice guidance information, comprising an information guidance providing device for providing guidance information by voice data in response to voice data inputted from the user terminal using a one-way communication by transceiver mode communication of the PoC function, including a voice recognition circuit for recognizing the voice data inputted from the user terminal for the information guidance service; a service data base for storing voice data pieces relating to the information guidance service; a voice synthesis circuit for synthesizing the voice data relating to the information guidance service and outputting synthesized voice data to the user terminal; and a control circuit for controlling the information guidance service provided by the information guidance providing device through the voice recognition circuit and the voice synthesis circuit; and a PoC server for controlling the one-way communication by transceiver mode communication of the PoC function to relay voice data between the information guidance providing device and the user terminal, monitoring the voice data transmitted between the information guidance providing device and the user terminal, and being provided with a timer which is activated for a predetermined time period at each time the voice data is detected, wherein the PoC server stops the timer when no voice data is detected after the predetermined time period has elapsed, starts the timer again when the voice data is detected after the predetermined time period has elapsed and performs charging for the user terminal while the timer is being activated, and wherein the predetermined time period counted by the timer represents a supposed time period during which the voice is being heard from the user terminal and calculated based on a length of the voice data having been received.