公开(公告)号：US20150163701A1

公开(公告)日：2015-06-11

申请号：US14560851

申请日：2014-12-04

Applicant: QUALCOMM Incorporated

Inventor： Rao Sanyasi YENAMANDRA ,  Naveen KALLA ,  Rajat PRAKASH ,  Ramesh SATHYANARAYANA

IPC: H04W36/00 ,  H04W60/00 ,  H04W36/30

CPC classification number: H04W36/0022 ,  H04W36/30 ,  H04W48/18 ,  H04W60/005

Abstract: The disclosure provides for managing voice calls in Circuit Switched Fall Back (CSFB) communication devices that are configured to make voice calls using both Circuit Switched (CS) networks and Internet Protocol (IP) over Packet Switched (PS) networks. The device may determine, when registered with a PS network, a signal strength of a CS network at the device. The device may select, based on the signal strength of the CS network, one of the CS network and the PS network for the voice call. The device may establish the voice call using the selected network. The device may receive a user request for initiating a voice call, and initiate a voice call over the selected network automatically using an application corresponding to the selected network. The device may also register with a voice over IP (VoIP) service over the PS network based on the signal strength of the CS network.

Abstract translation: 本公开提供了在电路交换回退（CSFB）通信设备中管理语音呼叫，其被配置为使用分组交换（PS）网络上的电路交换（CS）网络和因特网协议（IP）进行语音呼叫。 当向PS网络注册时，设备可以确定设备处的CS网络的信号强度。 该设备可以基于CS网络的信号强度来选择用于语音呼叫的CS网络和PS网络中的一个。 设备可以使用所选网络建立语音呼叫。 设备可以接收用于发起语音呼叫的用户请求，并且使用与所选网络相对应的应用自动地在所选网络上发起语音呼叫。 该设备还可以基于CS网络的信号强度通过PS网络向IP语音（VoIP）服务注册。