James wound the recording back a few seconds.
“—llo, I’m calling fro—”
This time the ‘c’ felt slightly lighter. Was she emphasising ‘call’ or ‘all’? Mustn’t judge. Let the message create itself. Unless… what if cabal agents somehow heard both words at the same time.
He typed both into the database. Work out a proper format for overlap later. He shouldn’t interpret until he’d analysed the whole call, but it might explain why the double-glazing adverts were so hard to decode.
If he could crack the double-glazing, Sara would have to agree there were hidden messages in cold calls.