Sihai network

What is the meaning of mobile phone dual card dual standby single pass? Function of dual card dual s

Now most of the mobile phones on the market are dual card and dual standby. In this way, one mobile phone can install two different mobile phone cards, which is also very convenient to use. Do you know what the mobile phone with dual card, dual standby and single pass is? Let's have a look with Xiaobian

The specific meaning of dual card dual standby single pass is as follows:

1. Dual card dual standby: dual card dual standby means that the mobile phone can be installed with two SIM cards. Through setting, a SIM card can be specified to be used for calling by default, and a SIM card can be used for Internet by default.

2. Dual card single pass: after two SIM cards a and B are inserted into the mobile phone, if someone calls card B during the call, it will prompt that card B cannot be connected or is not in the service area. When the call of card a ends, the system will not display the missed call prompt of card B. In addition, since the dual card dual standby mobile phone needs to manually specify a SIM card for networking function (assuming b), the networking function of B card will also be blocked when a card calls.

3. Dual card dual access: after two SIM cards a and B are inserted into the mobile phone, if someone hears a "beep" prompt tone (busy tone) when calling card B during card a call, you can make two choices: continue to maintain card a, and the system will display the missed calls of card B after the call is over; Select to answer the B card call. At this time, the system will automatically keep the a card call. After the B card call is over, you can also switch back to the a card call (as long as the other party has not hung up).

4. How to judge whether your mobile phone supports dual access: in a dual card dual standby mobile phone, use one number to call the other number. If you can dial, it means that you support dual access.

What's the use of dual card, dual standby and single pass mobile phones?

DSDS (dual sim dual standby) dual card dual standby is a new term in the mobile phone industry. Dual card dual standby means that the mobile phone can insert two mobile phone cards and stand by at the same time.

In short, when consumers use GSM dual card dual standby mobile phones, they can use the mobile phone numbers of two GSM networks on one mobile phone at the same time. When they use CDMA dual card dual standby mobile phones, they can use the mobile phone numbers of two CDMA networks at the same time.

Dual card dual standby mobile phones can generally be set to the following situations: 1. Only Sim1 card is on; 2. Only sim2 card is open; 3. Double card on. With dual card and dual standby mobile phones, busy people don't have to hold two mobile phones in their hands. It's simple and convenient.