| Add-ons |
| 1471 | Free | Get the number of the most recent caller |
| Anonymous Caller Reject | £4.00 | Stop your phone ringing from unwanted callers
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| Answer 1571 | Free | Voicemail service |
| Call Barring | £1.75 | Stop calls to numbers that you specify, such as international or premium rate numbers. So that you stay in control of your bills |
| Call Divert | £1.75 | Divert inbound calls to another number |
| Call Waiting | £1.75 | Your Phone tells you someone is waiting to call you. |
| Caller Display | £1.75 | See who is calling you before you answer |
| Choose to refuse | £3.00 | Stop your phone ringing from unwanted callers |
| Ring Back | £1.75 | When an engaged number becomes free your line automatically rings the number |
| Three Way Calling | £1.75 | Talk to 2 other parties at the same time |
| Withhold Number | Free | Don't show your number to who you are calling
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| Customer Service |
| Call Centre | Calls to the OneBill Telecom Customer Service Team are answered by a UK-based team. |