公开(公告)号：US20230353565A1

公开(公告)日：2023-11-02

申请号：US18171054

申请日：2023-02-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duy Bach NGO ,  Van Khanh NGUYEN ,  Van Thinh NGUYEN ,  Dinh Viet Anh NHU ,  Duc Cuong VU

IPC: H04L9/40 ,  H04L67/141

CPC classification number: H04L63/0876 ,  H04L67/141

Abstract: A method performed by an electronic device is provided. The method includes transmitting, to another electronic device through a server, a session initiation protocol (SIP) INVITE message for a connection request of a session. The SIP INVITE message includes information for indicating an authentication request. The method includes receiving, from the other electronic device through the server, a SIP information message for indicating a ringing including information for indicating an authentication support. The method includes identifying whether an SIP response message for indicating a success of the connection request is received from the other electronic device or a target electronic device for a call forwarding or not. The method includes establishing the session in response to a reception of the SIP response message. The reception of the SIP response message indicate an authentication success in the other electronic device or the target electronic device, according to the authentication request.