Signalling device and signalling method

A device for performing signaling to set up a connection between an originating terminal and a terminating terminal connected to a network using a common signaling message having a plurality of versions of signaling specification, comprising:

• storage means for storing identification information for identifying the terminals and version information for representing versions of signaling specification that are used at each of the terminals with a correspondence established therebetween:
• translation pattern holding means for holding translation patterns for information elements each of which is represented by data that differ from each other in first and second versions of the signaling software;
• detecting means for, upon receipt of a signaling message, referencing said storage means and detecting versions of the signaling specification that are used at said originating and terminating terminals of the signaling message;
• and
• message translation means for, when first and second versions of the signalling software are respectively used at the originating and terminating terminals, translating a specified element of the received signaling message on the basis of the versions of the signaling specification that are used at said originating and terminating terminals, deleting from the received message information elements that are contained in messages processed by the first version of the signaling specification but not in messages processed by the second version of the signaling specification, and rewriting the received message in accordance with a translation pattern held in said translation pattern holding means.

A device for performing signalling to set up a connection between an originating terminal and a terminating terminal connected to a network using a common signaling message having a plurality of versions of signaling specification, comprising:

• storage means for storing identification information for identifying the terminals and version information for representing versions of signalling specifications that are used at the terminals with a correspondence established therebetween;
• an input port receiving the signalling message from said originating terminal via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at each of said originating and terminating terminals of the received signaling message;
• and
• message translation means for, when first and second versions of the signalling software are respectively used at said originating and terminating terminals, translating a specified element of the received signaling message on the basis of the versions of the signalling specification that are used at said originating and terminating terminals, and adding to the received message a predetermined pattern as an information element that is contained in messages processed by the second version of the signalling software but not in messages processed by the first version of the signalling software, and
• an output-port outputting the translated signalling message to said terminating terminal via the network.

A device for performing signalling to set up a connection between an originating terminal and a terminating terminal connected to a network using a common signaling message having a plurality of versions of signaling specification, comprising

• storage means for storing identification information for identifying the terminals and version information for representing versions of signalling specification that are used at each of the terminals respectively with a correspondence established therebetween;
• an input port receiving a signalling message from an originating terminal via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at said originating terminal and said terminating terminal of the received signalling message;
• translation pattern holding means for holding translation patterns for information elements each of which is represented by data that differ from each other in first and second versions of the signalling software;
• message translation means for, when the first and second versions of the signalling software are respectively used at said originating and terminating terminals, translating a specified element of the received signalling message on the basis of the versions of the signalling specification that are used at said originating and terminating terminals, and rewriting the received message in accordance with a translation pattern held in said translation pattern holding means;
• and
• an output port outputting the translated message to said terminating terminal via the network.

A device for performing signalling to set up a connection between an originating terminal and a terminating terminal connected to a network using a common signaling message having a plurality of versions of signaling specification, comprising:

• storage means for storing identification information for identifying lines connected to the switch and version information for representing versions of signalling specification used at interfaces of the lines with a correspondence established therebetween;
• an input port receiving the signalling message from an interface of an originating line via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at interfaces of said originating line and a terminating line of the received signalling message;
• message translation means for translating a specified element of the received signalling message on the basis of the versions of the signalling specification that are used at the interfaces of said originating and terminating lines;
• and
• an output port outputting the translated signalling message to an interface of said terminating line via the network.

A device, connected to a switch installed inside a network, for performing signalling to set up a connection between an originating terminal and a terminating terminal connected to the network, comprising:

• storage means for storing identification information for identifying lines connected to the switch and version information for representing versions of signalling software used at interfaces of the lines with a correspondence established therebetween;
• an input port receiving the signalling message from an interface of an originating line via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at interfaces of said originating line and a terminating line of the received signalling message;
• and
• message translation means for, when first and second versions of the signalling specification are respectively used at the interfaces of said originating and terminating lines, translating a specified element of the received signalling message on the basis of the versions of the signalling specification that are used at said originating and terminating terminals, and deleting from the received message information elements that are contained in messages processed by the first version of the signalling specification but not in messages processed by the second version of the signalling;
• and
• an output port outputting the translated message to an interface of said terminating terminal via the network.

A device, connected to a switch installed inside a network, for performing signalling to set up a connection between terminals comprising:

• storage means for storing identification information for identifying lines connected to the switch and version information for representing versions of signalling specification that are used at interfaces of the lines with a correspondence established therebetween;
• an input port receiving the signalling message from an interface of an originating line via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at the interfaces of said originating line and a terminating line of the received signalling message;
• message translation means for, when first and second versions of the signalling software are respectively used at the interfaces of the originating and terminating lines, translating a specified element of the received signalling message on the basis of the versions of the signalling specification that are used at said originating and terminating terminals, and adding to the received message predetermined patterns as information elements that are contained in messages processed by the second version of the signalling software but not in messages processed by the first version of the signalling software;
• and
• an output port outputting the translated message to an interface of said terminating line via the network.

A device for performing signalling to set up a connection between an originating terminal and a terminating terminal connected to a network using a common signaling message having a plurality of versions of signaling specification, comprising:

• storage means for storing identification information for identifying lines connected to the switch and version information for representing versions of signalling specification used at interfaces of the lines with a correspondence established therebetween;
• an input port receiving the signalling message from an interface of an originating line via the network;
• detecting means for referencing said storage means and detecting versions of the signalling specification that are used at each of the interfaces of said originating line and a terminating line of the signalling message;
• translation pattern holding means for holding translation patterns for information elements each of which is represented by data that differ from each other in first and second versions of the signalling software;
• message translation means for, when the first and second versions of the signalling software are respectively used at the interfaces of said originating and terminating lines, translating a specified element of the received signalling message on the basis of the versions of the signalling specification that are used at said originating and terminating terminals, and rewriting the received message in accordance with a translation pattern held in said translation pattern holding means;
• and
• an output port outputting the translated message to an interface of said terminating line via the network.

A signalling method for setting up a connection between originating and terminating terminals connected to a network, comprising the steps of:

• storing identification information for identifying terminals connected to a network and version information for representing versions of signalling specification that are used at the terminals with a correspondence established therebetween;
• receiving a signalling message from an originating terminal via the network;
• referencing the stored information to detect versions of the signalling specification that are used at said originating terminal and terminating terminal of the signalling message;
• translating a specified element of the received signalling message on the basis of the versions of the signaling specification used at the interfaces of said originating and terminating terminals;
• and
• outputting the translated message to said terminating terminal via the network.

A method, performed in a switch installed in a network, for signalling to set up a connection between originating and terminating terminals connected to the network;

• comprising the steps of:
• storing identification information for identifying originating and terminating lines connected to the switch and version information for representing versions of signalling specification that are used at interfaces of the lines with a correspondence established therebetween;
• receiving a signalling message from an interface of an originating line via the network;
• referencing the stored information to detect versions of the signalling specification that are used at the interfaces of said originating line and a terminating line of the received signalling message;
• translating the received message on the basis of the versions of the signalling specification used at said originating and terminating lines;
• and
• outputting the translated message to an interface of said terminating line via the network.