Advanced Info Service (AIS) is Thailand's largest mobile network operator, founded in 1986 by Thaksin Shinawatra. The company has evolved from a computer rental business to a leading telecommunications provider, marking milestones in network technology, market expansion, and corporate restructuring.
Advanced Info Service (AIS) is established as a computer rental and service company by Thaksin Shinawatra. #telecom #Thailand
AIS launches Thailand's first analog mobile phone network under a concession from the Telephone Organization of Thailand (TOT). #telecom
AIS goes public on the Stock Exchange of Thailand (SET), raising capital for expansion. #finance #IPO
AIS launches Thailand's first GSM 900 digital cellular network, branded as 'AIS GSM 900'. #technology
Shin Corporation, controlled by Thaksin Shinawatra, increases its stake in AIS to over 50%, making AIS a subsidiary. #corporate
AIS introduces the 'One-2-Call' prepaid mobile service, revolutionizing the Thai telecom market. #innovation
AIS launches a GSM 1800 network to increase capacity and coverage. #technology
AIS acquires Digital Phone Company (DPC), a mobile operator, strengthening its market position. #merger
Thaksin Shinawatra sells his controlling stake in Shin Corporation to Singapore's Temasek Holdings, leading to regulatory scrutiny. #corporate #politics
AIS launches a 3G service trial using HSPA technology, but full commercial launch delayed due to regulatory issues. #technology
AIS acquires CSL Info Mobile, which operated the SIM2FLY roaming SIM card brand, expanding its international services. #acquisition
AIS secures a 3G concession from CAT Telecom, allowing commercial 3G deployment on the 850 MHz band. #regulation
AIS launches commercial 3G service (AIS 3G) on the 850 MHz band, offering high-speed mobile data. #technology #launch
AIS becomes the first Thai operator to reach 30 million subscribers, solidifying market leadership. #milestone
InTouch Holdings (formerly Shin Corporation) acquires a larger stake in AIS, restructuring ownership. #corporate
AIS wins a 3G license in the 2100 MHz band auction by the National Broadcasting and Telecommunications Commission (NBTC). #regulation #auction
AIS launches its 3G service on the 2100 MHz band, expanding capacity and speed. #technology
AIS becomes the first Thai operator to launch commercial 4G LTE services on the 2100 MHz band. #technology #4G
AIS sells its stake in AIS Fibre (broadband joint venture) to TOT, exiting the fixed-line business. #corporate
AIS acquires Phone Link Communication, a fiber-optic broadband provider, to enter the fixed broadband market under the brand 'AIS Fibre'. #acquisition
AIS wins a license for the 900 MHz band in an NBTC auction, paying 75 billion baht. #regulation #auction
AIS launches Voice over LTE (VoLTE) service, enhancing call quality on 4G. #technology
AIS acquires a 48% stake in Internet Thailand (INET), an enterprise data and cloud provider. #acquisition
AIS launches a narrowband IoT (NB-IoT) network, supporting smart devices and industrial applications. #technology #IoT
AIS collaborates with Huawei to conduct a 5G trial in Thailand, testing millimeter-wave technology. #5G #partnership
AIS announces its 5G brand and prepares for commercial launch, positioning itself as a digital life service provider. #5G
AIS wins spectrum in the 26 GHz band during Thailand's first 5G auction, paying 7.2 billion baht. #5G #auction
AIS launches commercial 5G services in Bangkok and major cities, focusing on enterprise and consumer markets. #5G #launch
AIS acquires Triple T Broadband, a fixed broadband provider, to strengthen its AIS Fibre business. #acquisition
Somchai Lertsutiwong is appointed CEO of AIS, succeeding Wichian Mektrakarn. #corporate #leadership
AIS reports annual revenues exceeding 150 billion baht for the first time, driven by data and digital services. #finance
AIS launches a dedicated enterprise brand, 'AIS Business', offering cloud, cybersecurity, and IoT solutions. #business #digital
AIS collaborates with Microsoft to offer Azure cloud services to Thai enterprises, expanding its digital portfolio. #cloud #partnership
AIS announces its mobile subscriber base exceeds 45 million, maintaining market leadership. #milestone
AIS acquires 20 MHz of 3.5 GHz spectrum in an NBTC auction for 5G expansion, paying 13.3 billion baht. #5G #auction
AIS partners with Eutelsat to provide satellite broadband services to remote areas via low-orbit satellites. #broadband #satellite
AIS announces annual revenue of 200 billion baht, driven by 5G and digital solutions. #finance
AIS signs a network sharing agreement with TOT to expand rural coverage and reduce costs. #partnership