US 12,231,473 B2
Call processing system and call processing method
Guangjie Shen, Xi'an (CN); Yunhua Zhang, Xi'an (CN); Ye Zhu, Xi'an (CN); and Yigang Jia, Xi'an (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jul. 5, 2023, as Appl. No. 18/347,437.
Application 18/347,437 is a continuation of application No. PCT/CN2021/070535, filed on Jan. 6, 2021.
Prior Publication US 2023/0353603 A1, Nov. 2, 2023
Int. Cl. H04L 65/1069 (2022.01); H04L 65/1016 (2022.01)
CPC H04L 65/1069 (2013.01) [H04L 65/1016 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system, comprising:
an application service device; and
an application media device;
wherein the application service device is configured to:
receive a data channel establishment request message from a terminal device, wherein the data channel establishment request requests to establish a data channel;
send a data channel establishment indication message to the application media device in response to receiving the data channel establishment request message, to indicate to the application media device to establish the data channel with the terminal device; and
wherein the application media device is configured to:
receive the data channel establishment indication message from the application service device;
establish the data channel with the terminal device; and
send first service page information corresponding to a call service to the terminal device through the data channel.