secure mobile voice mail

Having a voice mail PIN means that you’re the only person who can access your mobile phone messages. Having a mobile phone PIN number increases the security your personal and business information security.

Each mobile phone network in the UK has it own unique way of setting this PIN number for your mobile. Below you will find easy to follow instructions for your network on how to set your PIN and safe guard your mobile phone.

If you require assistance with any of these procedures please do not hesitate to contact our technical support team 01453 829200 option 1 then option 2.







uk business mobile phone network O2
You’ll be asked to set up your PIN the first time you access Voicemail 901 or whenever it’s been reset to the default.
You can change your PIN at any time by:

  • Dialling 901
  • Pressing * for greetings and mailbox settings and then 4
  • Following the prompts

Your PIN also allows you to access your messages from any touchtone phone by:

  • Calling your O2 mobile number
  • Interrupting your greeting by pressing *
  • Entering your PIN

uk business mobile phone network Orange
There are voice prompts to guide you:

  • Press and hold 1 to access your Answer Phone menu.
  • Press 3 for settings and features.
  • Press 3 to set your PIN.

uk business mobile phone network Vodafone
There are voice prompts to guide you:

  • Call 121
  • Select option 4
  • Select option 2
  • Select option 2
  • change your PIN code to one you prefer.

If you enter the wrong PIN three times, your voicemail account will be locked – you will get a message telling you to contact Customer Services to get a new PIN.
Customer Services will send you a text message with a randomly-generated 4-digit PIN code.


uk business mobile phone network t-mobile
To set your voicemail PIN for accessing your messages from another phone:

  • Call your voicemail (hold down the 1 key on your keypad)
  • Select option 2 – change mailbox features
  • Select option 1 – change your PIN
  • Enter a PIN of your choice, then press # to save

For additional security, it’s also possible to require the entry of your PIN every time you access your voicemail, either from another phone or from your mobile phone itself.


uk business mobile phone network 3
Set up a voicemail PIN.
You can set up a 4 to 8 digit PIN (Personal Identification Number) to help protect your voicemail messages. This means only you can access your voicemail, stopping other people like hackers from listening to your messages.
When you first set up your voicemail with us, you’ll be asked to choose a PIN and record your voicemail message. You won’t be able to access your voicemail from any other phone until you’ve set up a voicemail PIN.
To set up a PIN:

  • Call 123 from your phone
  • Select 4
  • Select 2
  • Select 1
  • Enter a PIN followed by #
  • Enter the PIN again followed by #

Your voicemail PIN will now be set up. No one from Three will be able to find out what your PIN is, so only you’ll know it.


Tips to help you chose a PIN:

  • Avoid using repeated digits, e.g. 112233
  • Avoid anything obvious e.g. your birthday
  • Your PIN needs to be easy to remember but difficult for other people to guess
  • Change your PIN regularly
  • Change your PIN if you suspect someone else may have guessed it.

When to use your voicemail PIN:

You’ll always be asked to enter your phone number and PIN if you access your voicemail from another mobile or landline phone.
We recommend that for the highest level of security, you choose the option that requires you to enter your phone number and PIN whenever you access your voice mail:

  • Call 123 from your phone
  • Select 4
  • Select 2
  • Select 2
  • Select 1 to turn off fast log in
  • End the call

Your PIN is unique to you. This will ensure that your voicemail messages are protected. For additional security, it is also possible to require the entry of your PIN every time you access your voicemail, either from another phone or your mobile phone itself. We recommend that you change your PIN on a regular basis.

Your PIN must be between four and ten digits long. For better security, you will be prevented from entering a PIN made up of one repeated number (like 2222), or consecutive numbers (like 5678).

If you would like more information call us on 01453 829230 or email us