3 hours on phone with vodafone has not helped sort this out, when I press and hold keypad 1 for voicemail I get "invalid number" same thing happens with 1210 and 1211 they suggested i call +447836121121 then enter my phone no. followed with # then a four digit pin thats 29 keypresses i no i can create the voice mail number in settings but this is madness does anybody have any ideas please???