Stick to your initial recommendation. In a case like that, I don't think many would mind. It's when it's been bought off eBay or some other internet low-balling site that we have issues with.

With no Nortel training, you'd have a hard time figuring it out by yourself. Get the pro to install it & spend a couple of hours training you to program it.

Scientists say that the universe is made up of Protons, Neutron & Electrons. They forgot "Morons".
Dave. (CTUB) Canadian Techs Use Bix!