How it works:
1)When you hear a busy signal press and release the switch hook. Listen for special tone.
2)If you’ve already hung up, lift the handset and listen for a normal dial tone.
3)Press *66 (on rotary phone dial 1166)
4)If the line is still busy, hang up. Your phone will check the number for up to 30 minutes.
5)A special callback ring alerts you if the line becomes free (some phones ring normally).
6)Lift the handset to automatically place the call
To cancel your Callback Request:
1)Depress the “switch-hook” and release. Listen for a special dial tone, if you’ve already hung up, lift the handset and listen for a normal dial tone.
2)Press *86 (0n rotary phone, dial 1186)
1)Listen for confirmation tone or announcement. Hang up.