"Well we have Bob from purchasing on the phone and he says we have to put this out for a bid first. And Alice from compliance wants to know, do you have [insert esoteric certification]?"
You really have to know who you are talking to and their motivations before you know what the right sales angle is.
I knew at one point some engineers who added RFC2549 to see if the salespeople were just being yesmen. A few years later I had similar problems with HSM salesman lying about Java support in their products so I can sympathize. Buying a product you cannot use without extreme effort is the pits.
One of them put in a bid to Cisco and got a reply back saying something like they were working on it but having some issues with the birds.