| CPC H04W 36/0061 (2013.01) [H04L 65/1016 (2013.01); H04L 65/1073 (2013.01); H04W 76/30 (2018.02); H04W 84/12 (2013.01)] | 24 Claims |

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1. A method of wireless communication performed by a user equipment (UE), comprising:
initiating handover of a first call from a source network to a target network, the first call associated with first header information;
receiving a message indicating a change of Internet protocol (IP) address to a new IP address during the handover;
releasing resources associated with the first call, in response to receiving the message;
registering the new IP address with the target network;
initiating a second call with the first header information; and
replacing the first call with the second call and the new IP address.
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