[ENDED] Another puzzle for ONI: Road to be the Mightiest Oni - Ends May 6th 8PM CEST

Catfone!

222 28333666 6633** (not sure about that last bit...it's been a while since i did punctuation...)

Catfone!

[SOLUTION]

This old model of phone use the Multi-tap function: https://en.wikipedia.org/wiki/Multi-tap

That said, and given my numbers 222746888, the result is:

222 -> c
7 -> p
4 -> G (uppercase because in bold)
6 -> m
888 -> v

The code for the giveaway was: cpGmv