An information handling system may include a processor; a memory; a network interface device to communicatively couple the information handling system to a first wireless communication networks of a plurality of wireless communication networks; an embedded subscriber identity module (eSIM) to provide data descriptive of wireless communication network-specific information to authenticate the information handling system; and an eSIM profile switching module to: monitor for signal strengths of each of a plurality of wireless communication networks. Upon discovering that the first wireless communication network has insufficient quality of service to sustain data transmission, send a request to a wireless communication network switching utility at a core communication network requesting roaming during a switch between the eSIM profile for a default wireless communication network to the second wireless communication network; and switch communication to the second wireless communication network while avoiding wireless service interruption with roaming if available.

This application discloses a roaming charging method and apparatus. A blockchain network stores information related to roaming fee settlement, to reduce a possibility that the information related to roaming fee settlement is tampered with. In addition, a digital signature algorithm is used to sign roaming service statistics to generate an abstract, to further prevent the roaming service statistics from being tampered with. In this way, when a home carrier verifies a roaming account balance by using the roaming service statistics and a roaming charging rule, accuracy of a verification result can be ensured, and the home carrier can obtain an accurate roaming fee of a user.

A wireless communication system includes an LOPS-capable user equipment, an LOPS-mode eNB and a normal-mode eNB. When the user equipment is under the coverage of both the LOPS-mode eNB and the normal-mode eNB, the user equipment is configured to perform automatic PLMN by registering on both the IOPS-mode eNB and the normal-mode eNB so as to maintain both normal-mode communications and IOPS mode communications.

The present disclosure relates generally to electronics systems, and more specifically to mobile communications systems and devices and including subscriber identification modules to which mobile currency, i.e. airtime minutes converted into mobile currency in pre-paid denominations from a telecommunications service provider, may be uploaded and used for payment transactions in a manner that is easier and more secure by providing a system and method related to a mobile phone having one or more subscriber identification module cards.

An apparatus enables communication between a user device and a communication server. The apparatus receives a device identifier of the user device and determines after searching a device-to-token database that the device identifier is not associated with any device communication token. The apparatus activates a predetermined application on the user device, and thereafter receives a device communication token of the predetermined application. A mapping of the device communication token with the device identifier is stored in the device-to-token database after which a communication account is created for the user device on a communication server. A login credential for the communication account is sent to the user device in a message addressed to the predetermined application and transmitted via a message server. The predetermined application on the user device receives the message, and thereafter automatically logs in to the communication server according to the login credential in the message.

This application sets forth techniques for managing phone number-based user accounts. According to some embodiments, a server computing device can be configured to carry out the steps of (1) receiving, from a first client computing device, a request to create a user account based on a phone number, (2) in response to authenticating that the first client computing device is associated with the phone number: creating the user account based on the phone number, creating a hidden contact address based on the phone number, and assigning the hidden contact address to the user account, and (3) in response to receiving a notification that a second client computing device is associated with the phone number: requiring the user account to be updated to be based on a different phone number, or assigning, to the user account, a visible contact address based on the phone number.

A method for providing mobile connectivity in a transportation vehicle with a cellular connectivity unit using a first subscriber identification module associated with a first subscription for a first Mobile Network Operator and at least a second subscriber identification module associated with a second subscription for a second Mobile Network Operator. A first Access Point Name interface and at least one further Access Point Name interface are configured, wherein both are related to the first subscriber identification module. The first Access Point Name interface is used for network registration and data transport of the cellular connectivity unit assigned to the first subscriber identification module. The at least one further Access Point Name interface is used for network registration and data transport of the cellular connectivity unit assigned to the second subscriber identification module.

Systems and methods are provided for enabling dual subscriber identity module (SIM) card usage for accessing packet switched services/networks. Each of the dual SIM cards operate in an always on mode and can be used to establish and maintain data connections over which the packet switched services/networks can be engaged. The dual SIM cards can be used in the aggregate or separately according to dynamic selection or fixed/mapped associations between an application requesting to access the packet switched services/networks and one or more of the dual SIM cards.

This disclosure provides methods, services, and platforms that automatically prompt mobile phone users to add contact information to their phone book after a triggering event such as calling a phone number. The methods, services, and platforms allow mobile network operators to provide a service that allows businesses to potentially have their numbers added to the phonebook of a mobile phone after a disconnected call.

Asynchronous and/or synchronous zero charge telephony protocol systems and methods may include an asynchronous signaling switch and/or a call duration time quota from a synchronous charging onset to place and complete a call. A call request is received with a second device mobile address. The asynchronous systems include instructions to automatically modify the mobile address with a routing prefix when the first device has insufficient balance or independent of balance, route to the asynchronous signaling switch based on an associated modified address trunk path, revert to the call signal at the asynchronous signaling switch, and deliver and automatically disconnect the call immediately when the call is completed. The synchronous systems include instructions to automatically set the call duration time quota upon insufficient balance, and deliver and automatically disconnect the call from the second user mobile device when the call is completed and the call duration time quota is exceeded.