17. The handheld electronic device of claim 16 wherein the processor apparatus is adapted to make a comparison between at least a portion of the message and a first entry in a lookup table in the memory, and is further adapted to employ the first entry in said determination that a first portion of the memory is associated with the message.
17. The handheld electronic device of claim 16 wherein the processor apparatus is adapted to make a comparison between at least a portion of the message and a first entry in a lookup table in the memory, and is further adapted to employ the first entry in said determination that a first portion of the memory is associated with the message. 18. The handheld electronic device of claim 17 wherein the processor apparatus is adapted to identify in the lookup table a second entry, the second entry corresponding with the first entry, and is further adapted to employ the second entry to locate the first portion of the memory.