The gateway device may transmit the authorization message.

The gateway device may send an authorization message to the network.

Each processed request includes an authorization message.

In response to the authorization message, the operational centre (OC) creates (3-4) an automatically verifiable authorization condition.

An authorization message is transmitted to the relying party based at least in part on the authorization response received from the selected authorization provider.

Data representative of a current aircraft flight plan, and one or more textual clearance message signals representative of air traffic control clearance message, are each processed.

A feature authorization message is received in a set-top box.

The first device may receive an authorization message from the second device.

The network resource grants access to the client only after receiving an access-accept message.

According to some embodiments, a payment system authorization platform may receive an authorization message from an acquirer platform.

The first device may decide whether to accept the payment based on the received authorization message.

The transceiver (110) receives a permission message from the communication node (101,120).

The IP router (5) blocks the transmission of IP packets between the mobile host (1) and the Internet (2) prior to receipt of the authorisation message and permits the passage of IP packets only after an authorisation message has been received.

Each satellite resource is identified by an authorization message generated by the master arbitration server.

A media burst authorization message transmitted by the floor control entity is received (103).