Media Gateway Interconnect Routing in a Softswitch Environment
First Claim
1. A method for routing calls in a distributed mobile switching center environment, the method comprising:
- receiving a call to be routed from a first switching node to a second switching node;
identifying an inter-switch route for the call from the first switching node to the second switching node, the inter-switch route including an intermediate switching node, wherein the intermediate switching node includes a plurality of media gateways;
selecting an intra-switch route within the intermediate switching node from a plurality of intra-switch routes within the intermediate switching node for establishing the inter-switch route, each of the plurality of intra-switch routes including at least one interconnection between media gateways; and
connecting the call using the identified inter-switch route and the selected intra-switch route.
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Abstract
Calls are routed in a distributed mobile switching center environment in response to receiving a call to be routed from a first switching mode (310(1) to a second switching node (3101(2)). An inter-switch mute for the call from the first switching node to the second switching node is identified. The inter-switch route includes an intermediate switching node (305) having multiple media gateway (320). An intra-switch route within the intermediate switching node is selected from multiple possible intra-switch routes for use in establishing the inter-switch route. Each of the intra-switch routes includes one or more interconnections (330) between media gateways. The call is connected using the identified inter-switch route and the selected intra-switch route.
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Citations
20 Claims
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1. A method for routing calls in a distributed mobile switching center environment, the method comprising:
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receiving a call to be routed from a first switching node to a second switching node; identifying an inter-switch route for the call from the first switching node to the second switching node, the inter-switch route including an intermediate switching node, wherein the intermediate switching node includes a plurality of media gateways; selecting an intra-switch route within the intermediate switching node from a plurality of intra-switch routes within the intermediate switching node for establishing the inter-switch route, each of the plurality of intra-switch routes including at least one interconnection between media gateways; and connecting the call using the identified inter-switch route and the selected intra-switch route. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A telecommunications system comprising:
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a first switching node; and a second switching node comprising a distributed mobile switching center including; a plurality of media gateways, at least one media gateway having a trunk connection with the first switching node; and a server operable to control routing for the plurality of media gateways, the server operable to select, for a call connection, an intra-switch route including a first media gateway, a second media gateway, and at least one interconnection for connecting the first media gateway and the second media gateway, the intra-switch route selected from a plurality of intra-switch routes designated for serving call connections routed through the first switching node and the second switching node. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An article comprising a machine-readable medium storing instructions for causing data processing apparatus to:
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receive data indicating a call to be routed from a first switching node to a second switching node through an intermediate switching node, the intermediate switching node having a plurality of geographically distributed media gateways connected by interconnections; identify a first media gateway and a second media gateway of the plurality of geographically distributed media gateways for use in routing the call from the first switching node to the second switching node; identify an interconnection route list corresponding to a routing between the first media gateway and the second media gateway, the interconnection route list having a plurality of different interconnection routes between the first media gateway and the second media gateway; determine an availability of at least one of the different interconnection routes; select an available one of the different interconnection routes; and allocate the selected interconnection route for use in routing the call from the first switching node to the second switching node. - View Dependent Claims (20)
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Specification