At the very least, we'd need to have the correct change or tokens ready so as not to draw attention to ourselves.
This is a great improvement, especially if you don't have any or the correct change.
In the street, he found a public phone, dialled a number and deposited the correct change.
The man took his gum and left the correct change on the counter.
So far, I have yet to receive correct change.
As he reached into his pocket for the correct change he suddenly felt a presence near him and looked up.
"And be sure to see they give you the correct change," she added.
That doesn't just mean using a cash register, giving the correct change and adding up prices, although of course these are important.
It is also advisable to have the correct change in these circumstances.
Simply tell the operator you want to bill the call to your home phone because you don't have the correct change.