Caller: "Vodafone Billing Department" Scam

Caller with thick accent claiming to be from "Vodafone Billing Department".
The operator instantly went into a spiel about trying to offer me a discount on my phone bill for 3 months.
🧑🏼 Me: "Which company are you calling from?" (because I couldn't ascertain through the operator's accent)
📞 Operator: *pause*
🧑🏼: "I'm sorry. Could you spell that, please?"
📞: *paper shuffling* "V for Victor, O for Oscar, D for Delta..." (etc).
🧑🏼: "Oh, Vodafone? I am not actually one of your customers, sorry"
📞: "You're not a customer? Shame on you, sir. Go jump into the river." *hangs up*

Either this is a scam, or the Vodafone call centre staff need significant customer service training!

Caller: woman with strong indian accent

Claimed to be from Vodafone, offered me a discount on my next 3 monthly bills if I can provide her with my account PIN. I hung up on her, but she called back 3 times until I picked up. Told her my wife works for Vodafone (funnily enough she really does), asked her which office she was with, because maybe she knows my wife! She muttered something, I hung up on her again. Silence.

'Tis a scam folks.

Claimed to be Vodafone but I'm not with Vodafone at all.

Caller: Someone from Vodafone

Asking me for a discount on my phone bill