Patent ID: 6032039
Filing Date: 2000-02-29
Classification: H04M

Abstract:
A wireless communication device for voicemail message notification and retrieval in a wireless communication system including a central message storage area using a wireless communication device with no alphanumeric display for the display of text messages, the wireless communication device comprising:an antenna to detect wireless transmissions from a location remote from the wireless communication device;a receiver coupled to the antenna to receive a wireless communication message based on the detected wireless transmissions, the wireless communication message having a predetermined format including data indicative of a number of voicemail messages stored in the central message storage area for the wireless communication device and including a data portion for transmitted data indicative of a dynamic callback telephone number to call to retrieve voicemail messages stored in the central message storage area for the wireless communication device;a storage location to store the data indicative of the number of voicemail messages stored in the central message storage area for the wireless communication device;a voicemail message notification circuit, selectively enabled when the storage location has a data value greater than zero to provide the user with an indication that at least one voicemail message is stored in the central message storage area for the wireless communication device, the voicemail message notification circuit being selectively disabled when the storage location has a data value equal to zero;a first callback number storage area to store preprogrammed data indicative of a predetermined callback telephone number to call to retrieve voicemail messages stored in the central message storage area for the wireless communication device;a second callback number storage area to store the transmitted data indicative of the dynamic callback telephone number to call to retrieve voicemail messages stored in the central message storage area for the wireless communication device if transmitted in the wireless communication message; anda transmitter coupled to the antenna to transmit a voicemail message retrieval request to retrieve voicemail messages from the central message storage area, the transmitter using the dynamic callback telephone number to retrieve voicemail messages from the central message storage area if transmitted in the wireless communication message and using the predetermined callback telephone number if the wireless communication message does not contain the transmitted data in the wireless communication message.