Simo Holdings Inc.

Skyroam Technology Co., Ltd.

7-tel, Inc.

Nuvoiz, Inc.

Aicent, Inc.

Richard Haichen Xu

Zhen Zhang

Jing Liu

Xiaolei Qin

Chao Wang

Markus Hahn

Douglas A Cheline

Gabriel Levy

Ching-Hai Tsai

Phillip C Krasko

Chong-Jin Koh

Bryan Ford

Yusuf Saib

Srinivasa Yarrakonda

Ludovic Lassauce

David Zhang

Xaiojun Ma

Huixue Xu

Amardeep R Nikumbh

The present invention provides a virtual subscriber identity module (vSIM) for network connection. The vSIM includes a memory and at least one processor. The memory is configured to store a remote SIM (rSIM) implemented as a software card. The at least one processor is coupled to the memory and configured to: register to a first network and download a vSIM profile from a vSIM server via the rSIM; and complete a registration to a second network using the vSIM profile for activating a vSIM service to connect to the second network. The present invention further provides an apparatus including the vSIM, a vSIM server for communicating with the apparatus, and a method performed by the apparatus.

Virtual subscriber identity module for network connection

The mobile device stores a plurality of communication profiles comprising one or more local communication profiles and a global communication profile. The mobile device determines local access requirements for connecting to a local cellular network operator and determines whether the plurality of communication profiles comprises a local communication profile that satisfies the local access requirements. When the plurality of communication profiles does not comprise a local communication profile that satisfies the local access requirements: the mobile device connects to a global cellular network operator using the global communication profile; receives, from the global cellular network operator, a new local communication profile that satisfies the local access requirements and connects to the local cellular network operator using the new local communication profile. Subsequently, the mobile device communicates with another device via the local cellular network operator as if the mobile device was a local mobile device.

System and method for dynamically providing communication profiles for mobile devices

An eSIM-based card pool system is disclosed, the system comprising: a card pool unit comprising a plurality of eSIMs; an eSIM manager, comprising a database that stores corresponding relationships between a plurality of eSIM identifications and a plurality of eSIM addresses; and a connection manager, configured to request a first eSIM address from the eSIM manager based on a received download instruction, and write a specified eSIM profile into a first eSIM having the first eSIM address.

eSIM-based card pool system and control method thereof

A foreign wireless communication system is operated in a local communication network as if the foreign wireless communication system were a local wireless communication system. A data communication link is established between the wireless communication system and a service provider in a local wireless communication network. An outgoing request for authentication information is communicated from the wireless communication system to a remote administration system over the data communication link. The authentication information is received over the data communication link from the administration system and is transmitted over a signal link from the wireless communication system to the service provider. A requested wireless communication service is received at the wireless communication system based on authentication of the wireless communication system by the service provider using the authentication information.

System and method for mobile telephone roaming

The present invention provides a vSIM module for a portable apparatus. The portable apparatus at least includes a slot. The vSIM module comprises a radio frequency chip, a baseband processor, a memory, an application processor, and a connector. The radio frequency chip is couple to an antenna. The baseband processor is coupled to the radio frequency chip. The memory is configured to store a vSIM connectivity management program. The application processor is coupled to the memory for executing the vSIM connectivity management program. The connector is configured to connect with the slot of the portable apparatus. When the vSIM connectivity management program is executed by the application processor, a vSIM service is activated.

VSIM module for portable apparatus

ESIM-based card pool system and control method thereof

An authentication bank for a wireless communication system is disclosed. The authentication bank comprises a plurality of physical identification modules. A physical identification module may include one or more memory, processors, programs, and computer readable media storing subscriber identity module and authentication information. At least one of the one or more programs stored in the memory may comprise instructions executable by at least one of the one or more processors. The executable instructions may cause the one or more processors to receive a request, from an authentication server, for associating the subscriber identity module (SIM) with a foreign wireless communication client or an extension unit, retrieve subscriber identity information and authentication information for the foreign wireless communication client or the extension unit from the SIM, and send the subscriber identity information and the authentication information to the authentication server.

The present invention is directed to systems for and methods of using dual mode handsets or softphone client for voice, sms, and data services. In one embodiment of the present invention, a mobile handset uses a SIP User Agent to register on a visiting network. The mobile handset generates SIP REGISTER messages. The SIP REGISTER messages are translated into corresponding MAP registration (or RADIUS message) and authentication commands, allowing system to contact the HPLMN HLR (or home AAA) associated with the mobile device to authenticate the mobile device and register it on a VLR of a visiting network. MAP responses (or RADIUS response) are translated to corresponding SIP commands that are forwarded to the mobile device, thereby completing the connection set up.

Fixed mobile roaming service solution

The technology disclosed addresses initiation of peer-to-peer media exchange sessions, with traversal of NAT and firewall devices, in a manner adapted to roaming. In particular, involves preliminary determination of NAT/firewall topology, which reduces latency at initiation, and hole punching technologies to select a routing and traversal strategy that reduce reliance on external media relay devices.

Session initiation and maintenance while roaming

Growing community of inventors

San Jose, CA, United States of America

Richard Haichen Xu