I would invest in a multi handset phone system like the ones from vtech. Much cheaper than a technician call and only the base station would need to be plugged into the phone jack. You can then proceed to put the other handsets anywhere you want.
I believe the sfp+ ports of the udm pro only negotiate at 1g or 10g speeds. The telus sfp-ont negotiates at 2.5g speeds so you'll need something that negotiates at that speed. I personally used a US XG6POE to get this working. Fiber to SFP+ port on s...
