Deactivate Voicemail on iPhone
If you are on a Regular Phone Plan, the size of your allocated Mailbox for Voicemail Messages is likely to be very small and capable of recording only a few 3-minute-long Audio Messages. Also, the recorded Voicemail Messages remain saved and available in the Mailbox for a short period of time (3 to 5 days), before they are deleted by the Carrier. If you are no longer interested in using Voicemail on your iPhone, you can either call and ask the Service Provider to deactivate Voicemail or try to manually Disable Voicemail by dialing MMI (Man-Machine-Interface) codes.
Switch OFF Voicemail on iPhone using MMI Codes
In case of many Service Providers, it is possible to manually Disable Voicemail on iPhone by using 3 step process as provided below. Step 1. Find Mailbox Number The first step is to find the Mailbox Number associated with your Phone Number. From the Home screen, tap on the Phone Icon > Enter *#61# and tap on Call to bring up your Mailbox Number.
Note down the Mailbox Number and tap on Dismiss to close the Phone App.
Step 2. Setup Call Forwarding The second step is to setup call forwarding to your Mailbox. Go to Settings > Phone > Call Forwarding > move the toggle next to Call Forwarding to ON position and tap on Forward To option
On the next screen, type your Mailbox Number and tap on Exit to save this setting. Step 3. Deactivate Mailbox Using MMI Code Return to the Keypad > Enter ##004# and tap on Call to disable the Voicemail function on your iPhone.
Note: If the Voicemail has been successfully disabled, you will see “Deactivation succeeded” message on your iPhone. After deactivating Mailbox, enable Airplane Mode on your iPhone and call your Phone Number using Home Phone or another Phone to confirm that Voicemail has been deactivated. Voicemail Deactivation using Global standard MMI (Man-Machine-Interface) code is not supported by all mobile service providers. If you are unable to Deactivate Voicemail using MMI code, check the mobile service provider’s website to see if there is any information on how to disable Voicemail.
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