I phoned 1626 to deactivate voicemail on a phone, and there is a voicemail.
Is there a way to definitly turn it off?
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for a micro sim go to http://apps.giffgaff.com/microgaff/directrequest.php?r=chubuking
Switching your voicemail on/off
Your voicemail is automatically 'switched on' when you join giffgaff.
To change your voicemail settings, you need to use a few 'USSD codes'/ Shortcodes, which are short codes / numbers that you simply dial on your mobile and hit the SEND key (they don't cost anything to use).
· Switch on: Short code is '1616'
Alternatively dial *004# then press the SEND key
Alternatively dial #004# then press the SEND key
If you're not certain of the status, to check dial *#004# then press the SEND key
Just a quick note: "switch off" voicemail 'disables' voicemail - which means it changes the way the network deals with call diverts. When you 'switch off' / disable voicemail - it stops all calls going to your voicemail - this covers all types of call situation which would normally be diverted to voicemail (i.e. when you don't answer a call, when you have your phone switched off, and when you're are on another call).