on 17-11-2020 15:03
My calls do not now go to voicemail when someone rings and I am unable to answer it. Please can you tell me how to set this up for the voicemail to cut in after 5 seconds if I am unable to pick up a call?
on 17-11-2020 15:21
1750 turns on voicemail.
Help on voicemail and how to change the length of time your phone rings here Guide: All you need to know about O2 Voicemail 901