公开(公告)号：US20130163404A1

公开(公告)日：2013-06-27

申请号：US13724508

申请日：2012-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-gyu SUN

IPC: H04M3/42 ,  H04L29/06

CPC classification number: H04M3/42195 ,  H04L29/06 ,  H04L65/1036 ,  H04L65/105 ,  H04L65/1069 ,  H04M2201/14

Abstract: Provided are a Voice over Internet Protocol (VoIP) gateway device, a control method thereof, and a VoIP gateway system. The VoIP gateway device includes: a connector which is connected to a first terminal; a communication unit which communicates with a proxy server that relays a VoIP communication; a storage unit which stores a ringtone corresponding to a call received by a call back function; and a controller which transmits an invite message to the proxy server for connecting a call from a first terminal to a second terminal corresponding to the call back function upon request from the first terminal for the call back function, and transmits the stored ringtone to the first terminal upon receiving a ringing message from the proxy server in response to the invite message.

Abstract translation: 提供了一种因特网协议语音（VoIP）网关设备，其控制方法和VoIP网关系统。 VoIP网关设备包括：连接到第一终端的连接器; 与中继VoIP通信的代理服务器通信的通信单元; 存储单元，存储与由回叫功能接收的呼叫相对应的铃声; 以及控制器，其向所述代理服务器发送邀请消息，用于从所述第一终端请求从所述第一终端到对应于所述回叫功能的第二终端连接呼叫，并且将所存储的铃声发送到所述第一终端 响应于邀请消息从代理服务器接收到振铃消息。