Special situation in intelligent network during which service provisioning fails but switching point operates successfully
First Claim
1. A method of handling a special situation occurring during provisioning of a network service, the method providing call-related instructions to a service switching point of a network via a service control point of the network, the method comprising:
- defining, for the network service, at least one special situation during which provisioning of the network service fails but the service switching point successfully operates, defining an instruction for said at least one special situation, receiving, at the service switching point, a message indicating the existence of the network service for which the special situation has been defined, the network service relating to a call, receiving, at the service switching points a first routing instruction, checking, in the service switching point, whether the first routing instruction indicates an occurrence of the special situation, detecting the special situation if the first routing instruction indicates the occurrence of the special situation, and following said first routing instruction in response to the detection of the special situation.
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Abstract
A method associated with an intelligent network service, comprising the following steps for detecting a special situation and acting in the special situation in the best possible way: defining for the service at least one special situation which is failed for the service but successful for the switching point, defining an instruction for said at least one special situation, receiving at the detection point a message indicating the existence of the call-related service for which the special situation has been defined, receiving at the switching point a first routing instruction (201) either from a caller or the control point, checking said first routing instruction (203), detecting the special situation (204) if the first routing instruction includes the special situation, and following said instruction in response to the detection of the special situation. Besides the method, the invention also relates to an intelligent network, a service control point and a switching point of an intelligent network.
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Citations
16 Claims
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1. A method of handling a special situation occurring during provisioning of a network service, the method providing call-related instructions to a service switching point of a network via a service control point of the network, the method comprising:
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defining, for the network service, at least one special situation during which provisioning of the network service fails but the service switching point successfully operates, defining an instruction for said at least one special situation, receiving, at the service switching point, a message indicating the existence of the network service for which the special situation has been defined, the network service relating to a call, receiving, at the service switching points a first routing instruction, checking, in the service switching point, whether the first routing instruction indicates an occurrence of the special situation, detecting the special situation if the first routing instruction indicates the occurrence of the special situation, and following said first routing instruction in response to the detection of the special situation. - View Dependent Claims (2, 3)
requesting a second routing instruction in response to the detection of the special situation, and transferring call control to the service control point.
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3. The method of claim 2, further comprising:
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receiving from the service control point-a notification indicating that checking the special situation is no longer necessary, receiving the second routing instruction, and routing the call according to said second routing instruction.
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4. A method of handling an intelligent network service, the intelligent network including a service control point and a service switching point, the method comprising:
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connecting a call according to a first routing instruction, defining a special character by means of which a caller of the call that invoked the network service can indicate a special situation during which provisioning of the call for the caller fails but the service switching point successfully operates, receiving the special character at the service switching point, detecting in the service switching point the special situation in response to the special character being received, requesting a second routing instruction in response to the detection of the special situation, and transferring call control to the service control point. - View Dependent Claims (5)
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6. A network comprising a service switching point for connecting the network to other telecommunications networks and a service control point for producing services in the network, wherein
for a network service is defined at least one special situation during which provisioning of the network service fails but the service switching point successfully operates, an instruction has been defined for said at least one special situation, and the service switching point is arranged to detect the special situation and follow said instruction in response to the special situation.
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10. A service switching point of a network, comprising
an interface to a service control point of the network and to a public telecommunications network, reception means for receiving instructions from the service control point, routing means for routing or releasing a call, memory means for storing at least one definition for a special situation and its instruction for at least one network service, the special situation during which provisioning of the network service fails but the service switching point successfully operates, checking means for checking if a routing instruction that is received from the service control point or a caller leads to the special situation, and function means responsive to the checking means for carrying out an operation of the routing instruction.
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14. A service control point of a network, comprising
connection means to a service switching point, management means for controlling connection set-up of a call which uses a network service, transmission means for transmitting instructions and dial information requests to the service switching point, at least a definition for the network service, the definition defining at least one special situation during which provisioning of the network service fails but connection set-up is successful, and reception means for receiving a situation message indicating the special situation, wherein the management means are arranged to give new connection set-up instructions in response to the situation message.
Specification