FlyerTalk Evangelist
Join Date: Oct 2005
Location: Ponte Vedra Beach, FL
Programs: DL PM, HH Diamond, Fairmont Prem, SPG Gold, Priority Club Plat/IC Amb, AmEx Plat
Posts: 10,839
SMS was Special Member Services which has been replaced by Premium Sales and Service (PSS). Some use SMS and PSS interchangeably
SkyMiles OneSource is the automated system with SM information.
The numbers should be the same, and shouldn't really matter, as you enter your SM and your call is route/prioritized appropriately.