Deffo
Different mobiles - especially when they are advertising in various places
Maybe two or three
We all know its gets complicated with more mobiles than this. Especially when one rings & you go to answer the wrong one
Edit: IMO by the end of each day they've pretty much forgotten which punter / when / what happened, other than for a few basic details
The only thing they are really interested in is counting up the ££ / remembering which punters are pukka & which to avoid
Standard Technique- different names for different locations, good for privacy and security. These women are smarter than you give them credit for.