Umts in a sentence

In addition, almost all UMTS phones are UMTS/GSM dual-mode devices, so if a UMTS phone travels outside of UMTS coverage during a call the call may be transparently handed off to available GSM coverage.

UMTS-TDD has the advantages of being able to use an operator's existing UMTS/ GSM infrastructure, should it have one, and that it includes UMTS modes optimized for circuit switching should, for example, the operator want to offer telephone service.

Customers found their connections being dropped as handovers were possible only in one direction (UMTS → GSM), with the handset only changing back to UMTS after hanging up.

Even with current technologies and low-band UMTS, telephony and data over UMTS requires more power than on comparable GSM networks.

Few operators considering UMTS-TDD have existing UMTS/GSM infrastructure.

However, the migration path to UMTS is still costly: while much of the core infrastructure is shared with GSM, the cost of obtaining new spectrum licenses and overlaying UMTS at existing towers is high.

However, UMTS-TDD deployers often have regulatory problems with taking advantage of some of the services UMTS compatibility provides.

Interoperability and global roaming UMTS phones (and data cards) are highly portable—they have been designed to roam easily onto other UMTS networks (if the providers have roaming agreements in place).

Mobil provides voice and data services over their UMTS (3G) networks, as long as Zapp provives only data services Cosmote provides voice and data services via Zapp UMTS network.

Telstra currently provides UMTS service on this network, and also on the 2100 MHz UMTS network, through a co-ownership of the owning and administrating company 3GIS.

The article UMTS frequency bands is an overview of UMTS network frequencies around the world.

He referred to the NCA's decision to permit MNOs with 2G Licences to deploy Universal Mobile Telecommunications Systems (UMTS), which is a 3G technology, to improve voice and data services in unserved and underserved communities across the country.

All mobile operators have UMTS services in the major cities, with nationwide coverage planned.

All of these competitors have been accepted by ITU as part of the IMT-2000 family of 3G standards, along with UMTS-FDD.

Another significant issue involved call reliability, related to problems with handover from UMTS to GSM.

As is the case with GSM900 today, standard UMTS 2100 MHz equipment will not work in those markets.

A standard UMTS system would saturate that spectrum.

AT&T Wireless (now a part of Cingular Wireless) has deployed UMTS in several cities.

A UMTS phone and network must support a common frequency to work together.

A (U)SIM can be moved to another UMTS or GSM phone, and the phone will take on the user details of the (U)SIM, meaning it is the (U)SIM (not the phone) which determines the phone number of the phone and the billing for calls made from the phone.