Delivering a message to a mobile device in a mobile communication network

A method for delivering a message to a mobile device in a mobile communication network, comprising the following method steps:

• receiving and storing a movement information element indicating if the mobile device (MTC) is a stationary device by a responsible mobility management entity (MME) of the mobile communication network, via which the mobile device (MTC) has access to the mobile communication network and/or by a database (HLR/HSS) of the mobile communication network, wherein the database (HLR/HSS) comprises subscriber information of subscribers of the mobile communication network;
• receiving a message (MT message) to be delivered to the mobile device (MTC) at a switch center (GMSC) of the mobile communication network;
• checking if the responsible mobility management entity (MME) is known by the switch center (GMSC);
• and
• if the responsible mobility management entity (MME) is known forwarding the received message (MT message) together with the movement information element, if the movement information element is available at the switch center (GMSC), to the responsible mobility management entity (MME);
• if the responsible mobility management entity (MME) is unknown by the switch center (GMSC), sending an interrogation request from the switch center (GMSC) to the database (HLR/HSS) to acquire the responsible mobility management entity (MME), and acquiring the movement information element of the mobile device (MTC) if the movement information element is available at the database (HLR/HSS);
• after acquiring the responsible mobility management entity (MME), preferably together with the movement information element, forwarding the message (MT message) and the movement information element, if the movement information element is available at the switch center (GMSC), from the switch center (GMSC) to the responsible mobility management entity (MME);
• receiving the forwarded message (MT message) and, if forwarded by the switch center (GMSC), the movement information element at the responsible mobility management entity (MME);
• checking if the movement information element is available at the responsible mobility management entity (MME), and if the movement information element is not available at the responsible mobility management entity (MME) acquiring the movement information element by the responsible mobility management entity (MME) and after acquiring the movement information element transmitting the movement information element to the switch center (GMSC);
• and
• delivering the message (MT message) from the responsible mobility management entity (MME) to the mobile device (MTC) if the mobile device is reachable or, if the mobile device (MTC) is not reachable and the mobile device (MTC) is a stationary device, storing the message (MT message) by the responsible mobility management entity (MME) and delivering the stored message upon the mobile device (MTC) is waking up from the responsible mobility management entity (MME) to the mobile device (MTC).