on 27-07-2023 16:58
If I do not answer an inbound call, callers often receive a message 'This number is not recognised'.
Don't know how this is, or how to correct it.
on 27-07-2023 17:16
This is a customer to customer community, not O2.
You need to contact O2.
Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) or give them a call on 202 or 0344 809 0202 (contract) 4445 or 0344 8090222 (PAYG)