Is it possible to remove yellow from old white telephone?

[shodatin]

Already tried bleach, toothpaste, Cif, travel-wash, lemonjuice, denture tabs etc. and too mean to buy new one for bedroom.

[Teamdoodle]

Sorry, I don't have any ideas but I found this discussion on another website which you might find interesting (if not providing a solution) www.vintage-radio.net/forum/showthread.php?t=7225 . It seems the damage may be due to sunlight and permanent.

[shodatin]

Many thanks Teamdoodle, for saving me lots more cleaning attempts. Have decided to paint most of it, leaving just buttons discoloured - looks OK

[onelily]

Hey its great teamdoodle...will try..thanks:)

[shodatin]

Have now managed to get correct link and read forum as above, which was indeed interesting, as peroxide was the one chemical I'd forgotten. Will try using it with a cotton-bud on the buttons, but am quite pleased with the painted effect so far and it was definitely caused by sunlight.
Just remembered seeing sticky-backed plastic film with peel-off characters, no doubt designed for just this purpose on phones & keyboards, so will try this.