caller would not identify who they were, or company they represent. it's a scam, they only answer the phone as Mediation Services and will not answer your questions.
FTC Data
At least 5 consumers from California reported phone number 650-399-4158 to the Federal Trade Commission. 60% of complaints reported the call or text message as a robocall or recorded message. The last complaint was on June 17, 2019.
Mountain View
Help others by rating this number - was it spam, a business, or something else?
Unsolicited offer to reduce energy rates. Hard to understand the name of the entity even though I asked to repeat it. The pushy rep wouldn't take "no" for answer. Hung up and blocked number.