I. When you make a call:

1. First check the code

2. Lift the receiver and listen for dialling tone (a continuous purring).

3. Dial carefully and allow the dial to return freely.

4. Then wait for another tone:

Ringing tone (burr-burr) the number is being called. The line is free.

Engaged tone (a repeated single note) try again a few minutes later.

Number unobtainable tone (steady note) replace the receiver, recheck the code and number, and then redial.

5. At the end of the call, replace the receiver securely.

II. When you answer the telephone:

1. Always give your name or the name of the office or your telephone number.

2. If you hear a series of rapid pips, the call is coming from a coin-box telephone. Wait until the pips stop and then give your name or telephone number.

III. When you make a call from a coin-box telephone:

1. First drop a coin piece (or pieces) into the slot.

2. Lift the receiver and listen for dialling tone.

3. Dial your number.

4. On hearing ringing tone, which means that the line is free, wait until your call is answered.

IV. When you make a call from an extension phone:

1. Wait for the switchboard operator to say: “Number, please”, or “Switchboard operator”.

2. Give the number of the person you are calling.

The operator will either repeat your number to make sure she got it right, or just say: “Thank you” and try to put you through.