Methods, apparatus, a system, and a related computer program product for activation and deactivation of bearers

Methods, apparatuses, system and computer program product for activation and/or deactivation of bearers for a group of devices are disclosed. The method comprises receiving an attach request for a device belonging to a group of devices, obtaining an identity of the group of devices, allocating a first bearer identity for the group of devices, and sending the identity of the group and the first bearer identity to a first network element, wherein the first network element is involved in transmission of user data of the group of devices.