| 摘要 |
Provided are a system and method for supporting one number in SRVCC. The system for supporting one number in SRVCC of the disclosure comprises: an IMS network, a CS network, a first terminal device and a second terminal device, wherein the first terminal device is used for establishing a session between the IMS network and the second terminal device using a subscriber number, and is also used for establishing a session between the CS network and the second terminal device using the subscriber number when being switched from the IMS network to the CS network while it is a calling party. The method can support an SRVCC system to establish sessions among different networks using the same number during domain switching, improve the operating efficiency of the SRVCC system, and facilitate the use by users. |
