> Was never an expert at Digital system design, but I assume it would go
> something like this:
> 
> Call the pager send 8888888888 as the call back number (all LCD
> segements lit). Tie each LCD segments to an AND gate, that when the
> output is high will trip a relay.
LCD displays usually don't have one pin for each segment. Cheapest pagers 
display 15 digits, each digit is 7 segments: 105 pins. Pins and connectors 
are expensive, and usually data is multiplexed.

So you'll need LCD decoder for this aproach. That's $.

Hooking up to RF interface and doing your own decoding is much better 
idea.

-alex

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