Yes the ACC alpine club of Canada is well organized and rents sat phones as well. Great idea but a huge logistical nightmare that only a dedicated person could over see. As for lending or renting out your own personal unit. That’s very generous but what happens if the unit gets lost or damaged?
I believe a web page exists that you can rent gear out and it has a insurance policy. I can’t find the web page but it would have been perfect perfection.