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System and method for increasing the maximum number of simultaneous calls on a service subscription for a multi-sim device

A simultaneous call, maximum counting technology, applied in the field of wireless communication

Active Publication Date: 2019-05-28
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if there is another incoming call for a service associated with that SIM, the incoming call will not be offered to the wireless device, or the first or second existing call will be dropped to allow the user to receive incoming call notifications

Method used

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  • System and method for increasing the maximum number of simultaneous calls on a service subscription for a multi-sim device
  • System and method for increasing the maximum number of simultaneous calls on a service subscription for a multi-sim device
  • System and method for increasing the maximum number of simultaneous calls on a service subscription for a multi-sim device

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Embodiment Construction

[0017] Various embodiments will be described in detail with reference to the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. References made to specific examples and implementations are for illustrative purposes and are not intended to limit the scope of the invention or the claims.

[0018] Various embodiments improve the ability of a multi-SIM multiple-access wireless device (e.g., a DSDA wireless device) to handle multiple incoming calls addressed to a specific SIM (or a phone number associated with that SIM) that The maximum number of calls supported by the network service has been engaged. In various embodiments, when the modem stack associated with the first SIM is handling its maximum call capacity, the wireless device can identify another SIM that is currently in idle mode, and can call the A call forwarding function to receive a call addressed to the first SIM using the mod...

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Abstract

Methods and devices are disclosed for increasing capacity for handling simultaneous calls to a particular SIM of a wireless communication device having at least a first and second SIM and corresponding first and second radio resources. If a preset maximum number of calls has been reached for a first of the modem stacks, and a radio resource of another other modem stack is handling less than its preset maximum number of calls, the wireless device may send a signal to the network serving the first SIM to activate the call forwarding function. While activated, calls addressed to the first SIM may be received by the wireless device on radio resource associated with the other SIM.

Description

technical field [0001] In general, the following description relates to wireless communications, and in particular, the following description relates to improving capabilities for handling simultaneous calls on a multi-SIM wireless communication device. Background technique [0002] A Multiple Subscriber Identity Module (SIM) wireless device is a cellular telephone device that includes more than one SIM. Multi-SIM wireless devices have become increasingly popular because of the versatility they offer, especially in countries where many service providers exist. For example, a dual SIM wireless device may allow a user to implement two different cellular service subscriptions or plans on the same device, with different service providers, with separate numbers and bills (e.g., a business account and a personal account). Furthermore, during travel, the user can obtain a local SIM card and pay local calling rates in the destination country. By using multi-SIM, users can take adv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/00H04W4/16H04W8/18H04W8/22
CPCH04W4/16H04W72/02H04W88/06
Inventor P·K·卡迪亚拉R·K·科特列卡
Owner QUALCOMM INC