Telefonaktiebolaget Lm Ericsson (publ)

Jacky Wu

Oliver Speks

Chunbo Wang

Yingjiao He

Haibin Chu

Henry Zheng

Linhai Jiang

Mingqiu Xu

Oliver Holger Speks

A method for a fallback core network node within core network nodes for a first mobile terminated call towards a mobile subscriber initially assigned to a failing ore network node (failing CNN). The method includes receiving data associated to International Mobile Subscriber Identity and Location Area Identifier (LAI) of a mobile subscriber handled in the failing CNN. The method includes receiving a service request from a home location register (HLR), whereby the service request indicates that the fallback CNN is acting as a fallback CNN for the failing CNN, and sending a response to the service request towards the HLR comprising the roaming Number assigned by the fallback CNN. The method includes initiating a paging request towards the radio network comprising said received LAI of said mobile subscriber, and sending a Service Request towards the HLR comprising the Mobile Station Integrated Services Digital Network Number of the mobile subscriber.

Method for allowing a successful first mobile terminated call towards a mobile subscriber initially assigned to a failing core network node

The present invention relates to a switching center server comprising:

Resource pooling in a blade cluster switching center server

The present invention relates to a switching center server () handling calls, comprising a blade cluster with a plurality of different blades (), a distributor () distributing a message relating to a call to one of the blades, a master () centrally controlling a usage of pooled resources by said plurality of blades () for handling the call, wherein the distributor contacts the master for retrieving the information to which blade said message is to be distributed. The different blades in the blade cluster are seen from the outside as one node, so that for message distribution the master is contacted in order to distribute the message relating to a call to the blade that is handling said call.

Blade cluster switching center server and method for signaling

The invention relates to a method for controlling a media gateway by a switching center having a cluster structure with a plurality of blades using a partial wildcarding mechanism by including a blade identifier in the wildcard field.

Recovery of media gateway resources for terminations

The present invention relates to a switching center server comprising: &#x2014;a blade cluster with a plurality of blades (), &#x2014;a plurality of pooled resources accessible by said plurality of blades () for handling a call, and &#x2014;a master () provided on one of the blades centrally coordinating the usage of the pooled resources, the master as a central instance being responsible for allocation, de-allocation and maintenance of the pooled resources. At outage of one or more blades, the invention provides mechanisms to keep impacts on ongoing calls to a minimum and to keep pooled resources available to the remaining blades.

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Shanghai, China

Jacky Wu