What does Dual SIM mean in the phone? Support Mode Smartphone Range 2 SIM cards Dual Bands, Dual Sim Standby, Dual SiM Active, Dual Talk: Description
An article about the phone Dual SIM, work modes.
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Phone with two SIM cards. Modes of operation, characteristics
Phone with two SIM cards, this is one machine that includes two phones.
Telephone using two SIM cards
The phone design includes two niches to accommodate SIM cards, two transceivers, two separate rooms, work with two different operators.
The workflow is based on a consecutive connection of SIM cards with incoming and outgoing calls, messages.
The phone has a special key switch. New generation smartphones have the GSM1, GSM2 keys to select the operator's line. You can set the number of the desired operator manually. The phone number of contacts from two operators are stored in the phone's memory.
Belonging to a particular provider, indicates the backlight of the contact number or the icon with a digit or letter.
The possibilities and growing popularity of this type of cellular communication include the following:
- practicality, comfort of communication
- inexpensive cost
- systematization of contacts, for example, personal numbers and production
- economical calls over the network inside one operator
- using SIM Maps Local Operator Travel and Travelers
You can select multiple modes of phone numbers of this kind. Depending on this, the names of the phones will include the selected operating mode.
Systematization of 2-Hax Care Phone Modes
Distinguish the following modes:
- 2Sim Dual Bands or Dual Standby, Double Waiting Mode
- Pseudo-dual, pseudo mode
- DUAL SIM DUAL ACTIVE, ACTIVE MODE
- Dual Talk, communication mode
Consider more, each of the modes.
Double wait mode (2SIM Dual Bands) or (Dual Standby)
Mode, one of the most popular, among mobile phones having a double SIM card. The phone uses one transceiver receiving signals from cellular operator stations. Two SIM cards are in anticipation. During communication on one SIM card, incoming calls and messages to another card are moving to voice mail mode or a message is reported that the subscriber's device is out of the access area.
The latest models of phones, constructed on the basis of MediaTek chips, have the function of automatically changing the SIM card, with one radio device.
The advantages of the phone with such a mode include economical energy consumption in comparison with devices that support one SIM card. The shortcomings can be attributed to the fact that the first SIM card supports 2G / 3G networks, and the second only 2G networks, as well as the impossibility of calls simultaneously from two cards.
Pseudo mode (pseudo-dual)
The mode supports two SIM cards, but one of them is real, inserted into the slot on the body of the phone, and the other Internet (virtual). Virtual card support is performed by mobile operator.
The mode is not entirely effective, since the phone is restarted to switch numbers, and only one phone remains in the operating mode. Great popularity among phone manufacturers and users, the mode did not conquer.
ACTIVE MODE (DUAL SIM DUAL ACTIVE)
Phone supporting active mode, two modular, i.e. It has two radio transmitting devices. Modules switches between themselves during the conversation process, work in parallel. The special key for manual switching is used. Currently, such a regime, many series of phones working on the Android platform are adhered. The disadvantages include, enlarged energy costs, large geometric parameters of the phone, the greater value, due to increased demand.
Communication mode (Dual Talk)
Practically, such a mode is communication in conference calls. The phone that adheres to the colloquial mode uses two SIM cards, two EDGE - transceiver, allows you to talk with two interlocutors at the same time. The phone mode provides voice communication, messaging, faxes, network access, in the most advanced EGSM900 / 1800 standards.
While still, telephones providing Dual Talk mode, is not enough on the market. The most famous of them, telephone LG GX500 series.
We hope that the revision of the modes will help you choose a convenient phone!