I need to hookup sometype of loudspeaker

[GUTMCHA]

I have a partner system the processor has 3 lines and 8 ext i have only one phone in the warehouse and there is alot of noise so i need to hookup a loud speaker so I can page my workers when they get a phone call.

WHAT IS THE BEST AND CHEAPEST WAY TO GET THIS DONE?

THANK YOU FOR YOUR HELP.

 

[mforrence]

One Valcom self-amplified horn, a 24 volt power supply, and a piece of cat3 or better cable. Connect to page interface of Partner.
Mike