Thanks, that's what Bell Live Chat said (except they said you need a full month of service in between). But she also said it was 4mo min and agreed when I said it was 1mo min, so I wasn't that confident of her advice.
I've suspended this account for them in past years, and my experience was the discounted PVR rental period didn't change while the discounted service period did. Current statement doesn't show an expiry date for service but the PVR is month 58 of 60 (so ends Apr 19/18) while the Dec 2017 statement (last one to show dates for the service discount) says _that_ discount ends Aug 2019. At the start (May 2013) they ended at the same time, but I guess over time the suspensions have added 16 months to the service-discount expiry.
When the suspension is done (really mid-April not May 1) I'll recommend they find out what Bell will do for them when the free PVR is over. Unless it's still free, I'll recommend they buy a used box (unless that's a bad idea). If it is still free, I'll recommend that they do it before the next suspension?