Money and phoning in Britain

Money
Coins (metal): 1p, 2p, 5p, 10p, 20p, 50p, £1, £2.
Notes (paper): £5, £10, £20, and £50
100p = £1.00
1p = 1 penny
sterling  - £s and pence. (£5.00 = five pounds sterling)
cash (noun) -  real money (not cheques or credit card)
 to cash (verb) - to change a cheque into cash
 50p - pronounced "a fifty pee piece" or "a fifty pee coin"
99p - pronounced "ninety-nine pee" or "ninety-nine pence
£2.50 - " pronounced "two fifty" or "two pounds fifty"
a quid - colloquial for £1

Phoning
When the British answer the telephone they  usually say "Hello" and then the number or company name. Some people only say hello. Phone numbers in Britain are usually 6 numbers and they  say them in two groups of 3. For example, the number 122450 is pronounced "one two two, four five oh" or "one double two, four five oh".

a phone box - public telephone
to put someone through - to connect through the operator
to ring / to call -  to telephone
to hold the line - to wait (formal)
just a minute / hold on / hang on -  wait (informal)
hang up - finish the call
the receiver - the part of the phone that you hold