| 摘要 |
A cellular modem (100) couples a data terminal equipment (DTE) to a portable mobile telephone (140) that includes a cellular transceiver (141). The cellular modem monitors the activity of a circuit-switched analog cellular data connection between the DTE and a far-end data endpoint, e.g., a computer, through a cellular modem pool in the network. If the circuit switched analog cellular data connection is idle for a predetermined amount of time, the cellular modem initiates a power-down sequence. |
