Latest update: I gave them a copy of the ID page from my passport with DOB blurred out.
They didn't mention anything about DOB, but said they wanted to see a full spread.
I've questioned them over and over as to why they need it, but all their tech support will say is that if I can't give them what they ask for, they won't enable incoming sms.
I gave it one last shot showing also the opposite side of the ID page with a black box covering up my signature. If they don't accept it, I'll just move on.
DIDWW sells a metered Israeli mobile DID for $2.50 per month ($5 setup IINM) no charge for incoming sms, but minimum CC charge is $50.
Instantdidnumber.com sells Israeli mobile DID with no charge for incoming sms for under $2.50 per month (looks like they use DIDWW for the backend wholesale). Will try if I get nowhere with Zadarama.com