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WebAPI/WebTelephony/Multi-SIM: Difference between revisions
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WebAPI/WebTelephony/Multi-SIM (view source)
Revision as of 09:15, 20 February 2013
, 20 February 2013→Multi-SIM Scenario
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Taking telephony as example, user should be able to choose via which sim he wants to make a call. User can choose to use a specific sim or simply use the default one. For example, he can call friend A by sim no. 1 and to call friend B by sim no. 2. He is definitely able to receive calls from any sim. At the same time, he could even to set up a data connection by sim no. X. | Taking telephony as example, user should be able to choose via which sim he wants to make a call. User can choose to use a specific sim or simply use the default one. For example, he can call friend A by sim no. 1 and to call friend B by sim no. 2. He is definitely able to receive calls from any sim. At the same time, he could even to set up a data connection by sim no. X. | ||
However, in multisim scenario, hardware implementation varies. Some devices may have one antenna while others have multiple. Some devices may have one modem but others have multiple. If the device has one antenna only, then even in multisim scenario, | However, in multisim scenario, hardware implementation varies. Some devices may have one antenna while others have multiple. Some devices may have one modem but others have multiple. If the device has one antenna only, then even in multisim scenario, user is uncapable of placing calls with both sim cards at the same time. If the hardware supports multi-antenna as well, then placing calls with both sim cards at the same time works. And in fact, though most existing multisim-devices claim they support multi-sim-standby, they automatically disable other sim card while one is in call. Very few supports the feature fully. | ||
== Proposal: WebTelephony API for Multi-SIM == | == Proposal: WebTelephony API for Multi-SIM == | ||