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Vodafone Ltd (along with Telefónica O2 Europe plc, T-Mobile International AG and Orange Personal Communications Services Ltd, Hutchison 3G UK Ltd and the GSM Association) claimed that the Roaming Regulation 717/2007 lacked any legal basis under TEC art 95 (now TFEU art 114 [1]). This capped charges that mobile operators could make for roaming ...
ETSI and 3rd Generation Partnership Project (3GPP) standards, such as GSM and LTE, define supplementary service codes that make it possible to query and set certain service parameters (e.g., call forwarding) directly from mobile devices.
This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean. Guam and the Northern Mariana Islands are included in this region as parts of the United States.
Roaming fees are typically charged on a per-minute basis for wireless voice service, per text message sent and received and per megabyte of data used for data service, and they are typically determined by the service provider's pricing plan.
Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.
TADIG code is a number uniquely identifying network operators in a GSM mobile network. The acronym TADIG expands to " Transferred Account Data Interchange Group ". According to the GSM specification, the codes are used as "primary identifiers within file contents and file names" in multiple file formats defined by the GSMA . [ 1 ]
A Republican county official on Long Island is refusing to lower flags to half-staff following the death of former President Jimmy Carter.
USSD Phase 1, as specified in GSM 02.90, only supports mobile-initiated ("pull") operations. [8] In the core network, the message is delivered over MAP, USSD Phase 2, as specified in GSM 03.90. [9] After entering a USSD code on a GSM handset, the reply from the GSM operator is displayed within a few seconds.