call sign of a calling station

In response to an unsuccessful attempt to communicate from the calling station to the called station (step 32), the messaging system stores a message from the calling station (step 32).

Prior to routing the call, the identity of the dialling station MS1 is authenticated.

The information can include an Access Point Name (APN) or Calling Station ID, for example.

A method for providing enhanced control of call connection between a calling station (15) and a called station (20) is disclosed.

The reply to the above calls shall use the call sign of the station calling, followed by the call sign of the station answering, which shall be considered an invitation to proceed with transmission by the station calling.

(b) in the case of radiotelephony shall consist of the word ‘SECURITY’, repeated 3 times.

When establishing communication, aircraft shall start their call by the designation of the station called, followed by the designation of the station calling.

A method (fig.2) and related apparatus for delivering a message from a calling party at a calling station to a called party at a called station.

Used to indicate that the station has a very urgent message concerning the safety of a ship or person on board.

SECURITE Means that the calling station has a message concerning the safety of navigation or giving important meteorological warnings

(a) The safety signal indicates that the station is about to transmit a message concerning the safety of navigation or giving important meteorological warnings.

Used to indicate that the station is about to transmit an important navigational or meteorological warning.

SECURITE Means that the calling station has a message concerning the safety of navigation or giving important meteorological warnings

(a) The safety signal indicates that the station is about to transmit a message concerning the safety of navigation or giving important meteorological warnings.