Newcastle have received encouragement from the player, who has indicated his interest in heading for St James' Park.
Sissoko told L'Equipe: "This is a club that attracts me. I have confidence in his group [of players] over what they did last season.
"In addition, the leaders have invested a lot in quality French players. They will rise in the second half of the season.
"All these French [players], it is reassuring. I know them well and it will facilitate my integration "