Telecommunication plug matching with telecommunications socket

The invention relates to a telecommunications plug matching with a telecommunications socket. The telecommunication plug comprises a housing, a substrate positioned in the housing, a plurality of plug contacts installed on the substrate, the plug contacts are in contact connection with telecommunications sockets; a plurality of wiring contacts installed on the substrate and electrically connected wires. The substrate comprises circuit traces bringing the plug contacts into electric connection with the wiring contacts, wherein at least one plug contact comprises a wiring which is used as the plug contact. The plug contact is provided with a pole which is mounted at the front part of the substrate and is mounted in a plated through hole on the substrate. Furthermore the plug contact comprises an arm which extends from the column to the back part of the substrate along the wiring contact.