| ARCSOFT (SHANGHAI) TECHNOLOGY COMPANY, LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110274033 | Using Secondary Channel to Activate Primary Channel for Data, Video, and Voice Communication - A method is provided so mobile devices can communicate through their wireless data services to a public computer network, which are normally deactivated when not in use. A first device calls a second device over a wireless voice service. The first device activates its wireless data service and sends a request to communicate with the second device to a server on the public computer network. Without answering the voice call, the second device determines an ID of the first device. The second device then activates its wireless data service and sends a query to the server to determine if the first device desires to communicate over the public computer network. The server responds to the request and the query by setting up a network connection between the first and the second device over the public computer network so they can exchange data packets. | 11-10-2011 |
| 20110158238 | IP Cache - Each device (A, B) keeps an IP cache list storing IP address of devices it has communicated with in the past over an IP network ( | 06-30-2011 |
| 20110103377 | Implementing a High Quality VOIP Device - A method is provided for Voice over Internet Protocol (VoIP) devices to communicate over an Internet Protocol (IP) network. The method includes synchronizing the VoIP devices using one or more dual-tone multi-frequency (DTMF) codes over a telephone network, retransmissions of voice packets in bursts, retransmissions of voice packets following a time lag, adjusting the number of retransmissions based on quality of service, retransmission of a missing voice packet identified in a list received from a peer device, discarding low energy voice frames in a jitter buffer to prevent overflow, stopping playout at a low energy voice frame when the jitter buffer is below a minimum buffer size, and selective transmission and retransmission of voice packets based on their energy levels. | 05-05-2011 |
| 20110044322 | Method To Share Phone Line - First method for sharing telephone resources includes a VoIP device connecting to a first device over an IP network, receiving a request from the first device to call a second device with a telephone number, connecting to the second device through a telephone system, and transferring voice signals between the first and the second devices. Second method for sharing telephone resources includes a first VoIP device joining with a group of VoIP devices connected to an IP network to share their telephone resources, receiving from a caller a telephone number to call a device, connecting to a second VoIP device from the group over the IP network, transmitting the telephone number to the second VoIP device so the second VoIP device connects to the device through a telephone system, and transmitting to and receiving from the second VoIP device voice signals between the caller and a recipient at the device. | 02-24-2011 |
| 20110019807 | Method to Verify Telephone Number - A method for an authentication server to authenticate Voice over Internet Protocol (VoIP) devices includes receiving a request from a unverified VoIP device to verify its global telephone number over a computer network, searching for verified VoIP devices that have authenticated identities and caller ID service, and providing the telephone numbers of the verified VoIP devices to the unverified VoIP device, wherein the unverified VoIP device calls the verified VoIP devices and the verified VoIP devices detect telephone numbers of the unverified VoIP device. The method further comprises receiving the detected telephone numbers from the verified VoIP devices and determining if the detected telephone numbers match a telephone number provided by the unverified VoIP device, wherein the unverified VoIP device becomes verified if the telephone numbers match the telephone number provided by the VoIP device. | 01-27-2011 |
