Facetime problems

http://support.apple.com/kb/TS5419

Since you do not describe what kind of problems, here is a generic FaceTime troubleshooting document. http://support.apple.com/kb/TS3367

Hello! I don't have facttime on my iPhone5.. but i see it in my settings on the notifications button only

Marvie Anne wrote:

Hello! I don't have facttime on my iPhone5.. but i see it in my settings on the notifications button only

Check your Settings > General > Restrictions > FaceTime: ON (green)?