Circuits, devices and methods are provided for dividing a fast pulse signal by an integer M. Therefore, convenience in the use of web services may increase. Jet combustion techniques provide a stable alternative lean, pre-mixed combustion system. Another telephone apparatus that can be connected to the IP network can perform a voice data communication with a public line telephone apparatus connected to the public switched telephone network, via the above-described telephone apparatus. The system of this invention allows for a programmer to select a desired slate from among the pre-programmed slates.