Patent ID: 9497758
Filing Date: 2016-11-15
CPC Classification: H04W

Claim Text:
1. A method for late activation of a call to be set up in a user plane between a Base Station and a Radio Access Network (RAN) control node, the method being implemented in a Mobile Switching Center (MSC), and comprising: receiving an indication that a call involving the MSC and the RAN control node shall be set up; determining that the RAN control node is configured for late user plane activation by retrieving information that the RAN control node is configured for late user plane activation from a configuration database; instructing the RAN control node that user plane resources between the Base Station and the RAN control node shall be reserved; detecting that the user plane of the call shall be through connected; and responsive to detecting that the user plane of the call shall be through connected, instructing the RAN control node to activate the reserved user plane resources between the Base Station and the RAN control node.