multi-SIM


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multi-SIM

A multi-carrier GSM phone with two, three or four SIM cards. Dual-SIM phones are popular with global travelers who use local and foreign carriers as well as people who want a business and personal line in one device. Triple SIM and quad SIM phones support three and four carriers respectively. Following is the alphabet soup. See SIM card.

DSSS (Dual SIM Single Standby)
Older dual SIM phones had one transceiver and only one carrier would be active.

DSDS (Dual SIM Dual Standby)
Also called "DSS" (Dual SIM Standby). Two receivers/one transmitter. Accepts calls from one carrier at a time.

DSDA (Dual SIM Dual Active)
Two transceivers enable calls with two carriers simultaneously.

TSTS (Triple SIM Triple Standby)
Three receivers/one transmitter. Accepts calls from one carrier at a time.

QSQS (Quad SIM Quad Standby)
Four receivers/one transmitter accept calls from one carrier at a time.
References in periodicals archive ?
To help make things easier without the need to cut back on the number of devices carried, we've introduced Multi-Sim.
With Multi-SIM, all customers need to do is assign one primary SIM to their main device, with up to four secondary SIMs in other devices, the telecom operator said.
High multi-SIM usage and SIM churn has been encouraged by SIM usage bundling with users arbitrating promotional rates and service bundling.
Multi-sim phones, with up to 10 SIM cards active on one account, have been introduced by Vodafone.
Up until late 2013 when Mobile Number Portability (MNP) was finally implemented, multi-SIM ownership was further exacerbated by the lack of MNP.
We are now starting to see instances of multi-SIM in South Africa, as in other parts of Africa where on average 40% of the population has more than one SIM," she adds.
A multi-SIM feature supporting up to four SIM cards proves to be a key differentiator for products, especially in the switch from 2G to 3G," said Arthur Wang, head of emerging market business development at the company.
Hamdy said CI Capital expects the mobile market to reach 100 percent penetration or 82 million subscriptions in 2013, driven by the multi-SIM phenomenon, or more than one line per user.
The acquisition would add to Syniverse's existing global customer base of more than 900 MSPs in over 160 countries and will enable the collective company to rapidly address the latest marketplace demands by bringing to market new solutions such as real-time intelligence, fraud prevention, revenue assurance as well as more flexible roaming solutions that address ecosystem interoperability, Wi-Fi offload, multi-SIM solutions and mandated provisions to support local breakout.
As per the draft communique, multi-sim phone also obstructs the success of porting as it encourages subscribers to use more than one sim-card and this defeats the porting phenomenon.

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