Caller: assumed scammer pretending to be Fedex

I got this email at work, followed up by a phone call

The following shipment(s) has now been assessed and is subject to payment of the following importation charges.

The payment of the calculated Australian Border Force charges must be paid in order to have this shipment released for delivery.

Border Charges/Fees applicable:

Duty $0
GST $666.35
Entry Fee $88.00
Total $754.35

MAKE A PAYMENT - please click on the below link to make immediate payment using a Credit Card or Debit Payment for this shipment:

https://www.paydollar.com/b2c2/eng/payment/payForm.jsp?c=Kp1A%2BPX1RgS7DTX0V%2BPKhY%2BsBEJtUw114z45pOo1K%2Fs%3D


Or simply register a FedEx account by providing your contact information; create a unique FedEx User ID and password, and enter your credit card details.
Click here to open an Account - Once account is opened please advise us of the 9 digit FedEx Account Number

Was this a scammer? - I am expecting a package but don't want to be conned into paying something I don't have to!

Caller: scammers claiming to be fedex.

This is a scammer number.