Device and method for performing a reverse single radio voice call continuity (RSRVCC) procedure
First Claim
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1. A method comprising, at a first Serving General Packet Radio Service (GPRS) Support Node (SGSN):
- receiving, by the first SGSN, a Routing Area Update message from a user equipment (UE);
checking, by the first SGSN, whether the Update Type of the Routing Area Update message is Routing Area Update; and
transmitting, by the first SGSN, to a Mobile Switching Center (MSC) a message containing information related to the first SGSN if the Update Type of the Routing Area Update message is Routing Area Update, wherein the message containing information related to the first SGSN notifies the MSC that the first SGSN is a SGSN currently serving the UE.
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Abstract
Method comprising steps of at a network entity: —receiving a Routing Area Update message from a UE, —checking whether the Update Type of the Routing Area Update message is Routing Area Update, and —transmitting to a MSC a message containing information related to the network entity if the Update Type of the Routing Area Update message is Routing Area Update.
20 Citations
6 Claims
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1. A method comprising, at a first Serving General Packet Radio Service (GPRS) Support Node (SGSN):
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receiving, by the first SGSN, a Routing Area Update message from a user equipment (UE); checking, by the first SGSN, whether the Update Type of the Routing Area Update message is Routing Area Update; and transmitting, by the first SGSN, to a Mobile Switching Center (MSC) a message containing information related to the first SGSN if the Update Type of the Routing Area Update message is Routing Area Update, wherein the message containing information related to the first SGSN notifies the MSC that the first SGSN is a SGSN currently serving the UE. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification