Understand whether they are making a delivery or whether they are a salesperson or other door-to-door solicitor
Goal
To be able to understand when a speaker on the intercom is making a postal or courier delivery and when they are a salesperson or other door-to-door solicitor.
Setting
Listen to a speaker on your home intercom and understand whether they are making a delivery or whether they are a salesperson or other door-to-door solicitor.