What is pin number for voicemail

[JJP2RidesAgain]

You choose your own voicemail PIN during the set up process :

https://help.smarty.co.uk/en/articles/952741-setting-up-voicemail 

[Wiktor6501]

Mine keeps on saying that option is unavailable when I do the pin and I'm not doing a easy pin...

[Wiktor6501]

I was doing it wrong nevermind!