Patent ID: 6650750
Filing Date: 2003-11-18
Classification: G01R,H04M,H04W,Y02D

Abstract:
A method providing of a battery alarm for a battery in an uninterruptible power supply of a local control unit providing service for a telephone, comprising the steps of:generating an alarm when the battery is in a low power state by a battery detector in the local control unit; determining that the battery is in the low power state by a presence of the alarm; detecting a call origination by the telephone; transmitting a voice message to the telephone in response to a call origination upon the call origination being for a non-emergency call where the voice message informs the user that the battery is in the low power state before allowing user to continue with the call origination; providing a user of the telephone abbreviated dialing to originate another telephone call to a service center for the local control unit; and resetting the alarm for a predetermined amount of time upon the other telephone call being completed to the service center.