Solved: Time lapse before switching to voicemail

Twills · ‎08-09-2023

How do I change the number of rings on my Sony Xperia before it goes to voicemail? I have tried entering **61*901*11*20# and calling but I alwasy get "connection problem or invalid MMI code".

MI5 · ‎08-09-2023

@Twills

See this guide Guide: All you need to know about O2 Voicemail 901

You may have to turn off wifi calling as codes cannot be sent over wifi.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.

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MI5 · ‎08-09-2023

@Twills

See this guide Guide: All you need to know about O2 Voicemail 901

You may have to turn off wifi calling as codes cannot be sent over wifi.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.

Twills · ‎08-09-2023

OK - so I've turned off wi-fi and mobile data but I still get the same message

MI5 · ‎08-09-2023

@Twills

You need data on, it's just wifi CALLING that must be off.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.

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Time lapse before switching to voicemail

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