Network connection plug which can be inserted into a network connection socket of a communication device, comprising - a plug housing which has a housing base element and can be closed by means of a foldable cover, wherein the housing base element and/or the cover have/has an opening for inserting a network cable end into the plug housing, - a contact-making element which has a plurality of receptacles and contacts for cores of the network cable, which can be arranged within the plug housing and which can be pivoted into an end position in which cores of the network cable can be fixed within the plug housing by means of fixing elements which are arranged on the housing base element, wherein the housing base element forms a stop for the contact-making element in the end position, - a connection piece which has a plurality of contacts and which can be inserted into a connection region of a network connection socket, which connection region is provided with corresponding contacts, wherein the contacts on the connection piece are each connected to a contact on the contact-making element, - a latching element which is connected in an articulated manner on the connection piece with a spring action and which can engage with a corresponding cutout or undercut in a connection region of a network connection socket, - characterized by an operating element which acts on the latching element, - wherein the operating element is blocked against an unlocking operation by means of a deflection lever, which can be operated by the contact-making element, or a locking means, which can be displaced by the contact-making element, in a position of the contact-making element which differs from the end position, - wherein, when the contact-making element is rotated into the end position, the deflection lever or the locking means is pivoted or displaced away from the operating element and the operating element is released for operation as a result. - a plug housing which has a housing base element and can be closed by means of a foldable cover, wherein the housing base element and/or the cover have/has an opening for inserting a network cable end into the plug housing, - a contact-making element which has a plurality of receptacles and contacts for cores of the network cable, which can be arranged within the plug housing and which can be pivoted into an end position in which cores of the network cable can be fixed within the plug housing by means of fixing elements which are arranged on the housing base element, wherein the housing base element forms a stop for the contact-making element in the end position, - a connection piece which has a plurality of contacts and which can be inserted into a connection region of a network connection socket, which connection region is provided with corresponding contacts, wherein the contacts on the connection piece are each connected to a contact on the contact-making element, - a latching element which is connected in an articulated manner on the connection piece with a spring action and which can engage with a corresponding cutout or undercut in a connection region of a network connection socket, - characterized by an operating element which acts on the latching element, - wherein the operating element is blocked against an unlocking operation by means of a deflection lever, which can be operated by the contact-making element, or a locking means, which can be displaced by the contact-making element, in a position of the contact-making element which differs from the end position, - wherein, when the contact-making element is rotated into the end position, the deflection lever or the locking means is pivoted or displaced away from the operating element and the operating element is released for operation as a result.