Multifunctional access control device

An access control device for controlling the displacement of an entryway device, the access control device comprising:

• a plurality of wireless transceivers;
• a memory for storing instructions, at least a portion of the instructions relating to the displacement of the entryway device;
• and
• a processing device coupled to the memory, wherein the processing device selects from at least the following modes for indirect communication with a server of a security management system:
• first off-line mode and a second off-line mode;
• wherein, in the first off-line mode, the access control device (i) establishes a first wireless connection with a gateway device at a pre-scheduled time and (ii) communicates with the server via the gateway device over the first wireless connection established between the access control device and the gateway device and a WAN/LAN connection established between the gateway device and the server;
• and
• wherein, in the second off-line mode, the access control device communicates with the server via a mobile device over a second wireless connection established between the mobile device and the access control device and a third wireless connection established between the mobile device and the server.