I have a intercom with this kind of labelling anyone can translate this ? I think the brand is SESAM (dutch) old stuff https://mastodon.hugopoi.net/media/3jJoRRWo7YR2LoORU2k There is 7 wires in total going throught the wall, I 'm not sure this is wired correctly on the picture. + N T - M S R Ö F K ????
*Sesam is a German brand