3G Technology Third generation mobile phone technology
4G Technology Fourth generation mobile phone technology
Access Charge (AC) The charge paid to TOT for an access to TOT’s telecommunications network
AIS Advanced Info Service Public Company Limited
AWN Advanced Wireless Network Company Limited
ARPU Average revenue per user per month
Bandwidth The width of frequency band
BMA Bangkok Metropolitan Area
BTO Build-Transfer-Operate
CAT CAT Telecom Public Company Limited (formerly the Communication Authority of Thailand)
CAPEX Capital expenditure
CDR Call Detail Record
CDP The Central Depository (Pte) Limited
Concession Agreement Agreement to Operate and Provide Cellular System Radio Telecommunication Service between CAT and the Company (as amended)
DPC Digital Phone Company Limited
DTN, dtac TriNet dtac TriNet Company Limited
EDGE Enhanced Data-Rates for GSM Evolution
Foreign Business Act Foreign Business Act B.E. 2542 (1999)
Free cash flow EBITDA-CAPEX
FY Fiscal year
GB Giga byte, which is a measurement of data volume
GPRS General Packet Radio Service
GSM Global System for Mobile Communications
GHz Giga Hertz, which is a measurement of frequency
HSPA High Speed Package Access, a 3G technology
IMEI International Mobile Equipment Identity
Interconnection Charge (IC) The cost-based charge paid to other operators for connecting into their networks
IMT International Mobile Telecommunications
IVR Interactive Voice Response System
LTE Long-Term Evolution, a 4G technology
MB Mega Byte, which is a measurement of data volume
MHz Mega Hertz, which is a measurement of frequency
MMS Multimedia Messaging Service
MNP Mobile Number Portability
MOU Minute of use per user per month
MVNO Mobile Virtual Network Operator
NBTC National Broadcasting and Telecommunications Commission
NTC National Telecommunications Commission, in accordance with the Act on Organization to Assign Radio Frequency and to Regulate the Broadcasting and Telecommunications Services B.E. 2543 (2000)
Net addition The number of new subscribers acquired less the number of subscriber leaving during the period
Net debt Interest bearing debt less cash and cash equivalents.
Net debt to Equity Net debt divided by equity
Net debt to EBITDA Net debt divided by EBITDA
OPEX Operating expenses, primarily consisting of network operating expenses, sell & marketing expenses and general administrative expenses
PCN 1800 Digital GSM wireless telecommunications service under the 1800 MHz frequency band
Penetration Rate The number of SIM cards divided by the number of population
QoQ Quarter on Quarter
Refill card Refill card for prepaid service
SEC Securities and Exchange Commission
SET The Stock Exchange of Thailand
SGX-ST Singapore Exchange Securities Trading Limited
SIM card Subscriber identity module card
Smartphone Mobile phone offering advanced capabilities, often with PC-like functionality
SMS Short Message Service
Spectrum The radio frequency bands used for telecommunication service
Telecommunications Act Telecommunication Business Operation Act B.E. 2544 (2001) (as amended)
TOT TOT Public Company Limited (formerly Telephone Organization of Thailand)
True Move True Move Co., Ltd.
TSD The Thailand Securities Depository Co., Ltd.
UCOM United Communication Industry Public Company Limited
USO Universal Service Obligation
VAS Value Added Services
VoIP Voice over Internet Protocol
WiFi Wireless Fidelity, a type of wireless networking protocol
YoY Year on Year