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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.
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References in periodicals archive
In a UAE first, du has also launched a Multi-SIM that lets you manage five devices with one plan and one number.
UAE-based telecom operator du has launched its new 'Multi-Sim,' with which postpaid customers can manage up to five devices under one plan.
"But with du's new Multi-SIM, things just got incredibly simple, as customers can now enjoy unprecedented flexibility and the convenience of sharing their data and minutes across multiple devices," du said in an announcement.
And not to underestimate how the multi-sim phenomenon has changed market dynamics.
Multi-SIM usage in the country is very high so you need to incentivise your customers to ensure that the particular SIM is a primary SIM.
A half-billion are in multi-SIM phone or multiple phones owned by the same person.
A half-billion are in multi-SIM phones or multiple phones owned by the same person.
A half-billion are in multi-SIM phones or multiple phones owned by the devices such as iPads, or laptop dongles.
There is support for TDSCDMA, DC-HSPA+ (42Mbps), 1x Advanced, W+G CDMA, and multi-SIM capabilities of Dual SIM, Dual Standby (DSDS) and Dual SIM, Dual Active (DSDA) setups and also a camera up to 13.5MP.
But, the analyst further cautioned: aACoeWe believe that the former approach is vulnerable to what we view as premature saturation in some sub-Saharan markets: While the actual user bases are much smaller than what subscription rates imply in many markets due to multi-SIM ownership, reaching new customers is increasingly a consequence of costly network expansions into areas of low density and limited infrastructure.
Also, the SC6530 incorporates an ARM9 processor for high performance and supports quad-band GSM/GPRS, multi-SIM function, HVGA display, H.264 decode and integrates an audio PA.
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