Help required adding external MOH to BT Versatility System

barera · 9 Dec 2009

Hello,

I bought one of these at auction and now want to add external MOH.
Can I add the MOH module to my versatility system or does it only work on specific models?
The reason I ask because I read somewhere that it will only work on systems with software version 473 and upwards.
How can I find out what version my software is?
thanks to anyone who can help!

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Help required adding external MOH to BT Versatility System

barera

DIYnot Local

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