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Total Access Communication Public Company Limited (commonly known as DTAC, and stylized as DTAC or dtac) is a GSM mobile phone company in Thailand. It is the nation's third largest GSM phone company, after AIS and True. [2] [3] DTAC is owned by Norwegian company Telenor both directly and indirectly, and both companies share the same logo. [4]
4G : FDD LTE : B1/B3 (Roaming on Truemove H, B8 prohibited) 4.5G : Up to 2xCA B1+B3, nationwide 4x4 MIMO on B3, 256/64QAM 4G Calling ( VoLTE , ViLTE ) : Unsupported
DTAC: 1690 State Railway of Thailand: 1691 Ambulance Service Center 1711 McDonald's: 1888 National Telecom: 1800-xxx-xxx Toll-free numbers (from landlines only) 1900-xxx-xxx Premium-rate telephone number: 191 Universal emergency service: 199 Fire Department 02-111-1111 Krungthai Bank: 02-777-7777 Siam Commercial Bank (SCB Call Center) 02-888-8888
Truphone offered local rates for calls, texts and data through commercial arrangements with mobile network operators in 66 countries around the world. The company focused mainly on the business marketplace, and also has a pre-pay SIM that came with 1 phone number, additional numbers could be purchased for an extra monthly fee (currently $8 per ...
The mobile switching center server is a soft-switch variant (therefore it may be referred to as mobile soft switch, MSS) of the mobile switching center, which provides circuit-switched calling mobility management, and GSM services to the mobile phones roaming within the area that it serves. The functionality enables split control between ...
The Preferred Roaming List (PRL) is a database residing in a wireless (primarily CDMA) device, such as a cellphone, that contains information used during the system selection and acquisition process. In the case of R-UIM -based CDMA devices, the PRL resides on the R-UIM .
A GPRS roaming exchange (GRX) acts as a hub for General Packet Radio Service (GPRS) connections from roaming users, removing the need for a dedicated link between each GPRS service provider. It was developed to facilitate a more efficient way for operators to interconnect networks, and played a large part in the transition to third-generation ...
A roaming mobile or Internet telephone user is effectively (like the user of a foreign exchange line) attached to a distant rate centre far from their physical address. If a program like Crime Stoppers is inherently regional or local, but its national 1‑800‑222‑TIPS number is shared between multiple exchanges, the exchange accepting the ...