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Fixed Dialing Number (FDN) is a service mode of a GSM mobile phone's SIM card. [1] Numbers are added to the FDN list, and when activated, FDN restricts outgoing calls to only those numbers listed, or to numbers with certain prefixes. [1] A notable exception is that emergency calls to 000, 112, 911, 999 and the like are exempt. [2]
The implementation of the eSIM on the Samsung Galaxy series in North America (USA and Canada) is different than the implementation in the rest of the world: North American variants lack the ability to specify different default SIMs for different functions, e.g., one SIM as the default for data and the other SIM as the default for voice.
Each SIM card in a Samsung dual SIM phone can be set to on or off independently in the top section of the SIM card Manager menu. When both are set to ON, then both can connect incoming calls, but only one at a time. If SIM 2 is in use, a caller to SIM 2 will be redirected by the carrier network as though the phone were off or out of range.
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
On some networks, a GSM phone without a SIM card may be used to make emergency calls, and most GSM phones accept a larger list of emergency numbers without SIM card, such as 112, 911, 118, 119, 000, 110, 08, and 999. [27] However, some GSM networks will not accept emergency calls from phones without a SIM card.
No SIM card due to operator-specific device. The Samsung SCH-u470 , or Juke and Verizon Wireless Juke , is a mobile phone offered exclusively by Verizon Wireless . It was announced on 2 October 2007, and released that same year on Q4 in three colors: red, teal, and navy (blue). [ 1 ]
SOS mode also shares your location with the emergency service. You can also create emergency contacts that will receive a text message with your location after your emergency call ends, and which ...
Dual SIM standby phones allow both SIMs to be accessed by using time multiplexing. When one SIM is in active use, for example on a call, the modem locks to it, leaving the other SIM unavailable. Older examples of dual-SIM standby phones include the Samsung Galaxy S Duos, [23] the Sony Xperia M2 Dual, [24] and the iPhone XS, XS Max and iPhone XR ...