It uses connectivity and a suite of integrated value-added services, including IoT/M2M, Optimization and Enterprise Mobility, for all alliance members' subscribers while roaming on each other's networks.

[1] Established on 3 November 2004, the alliance originally comprised Singapore Telecommunications (SingTel), Bharti Airtel, Globe Telecom, Optus, Telkomsel, Maxis Communications, and Taiwan Mobile,[2] enabling it to gain a foothold in the mobile markets of Singapore, India, the Philippines, Australia, Indonesia, Malaysia and Taiwan.

The alliance expanded between 2005 and 2015 to also include Hong Kong CSL in Hong Kong, CTM in Macau, SK Telecom in South Korea, Advanced Info Service (AIS) in Thailand, MobiFone in Vietnam, Metfone in Cambodia, Telkomcel in Timor-Leste, Airtel in Sri Lanka, the African operators of Bharti Airtel (in Chad, Democratic Republic of the Congo, Republic of the Congo, Gabon, Ghana, Kenya, Malawi, Madagascar, Niger, Nigeria, Rwanda, Seychelles, Tanzania, Uganda and Zambia), SoftBank Mobile in Japan, and Saudi Telecom Company in Saudi Arabia, Bahrain and Kuwait.

[7] FreeMove and Bridge Alliance established a partnership that year[8] and two new were members added – SK telecom and AIS.

[22] Bridge Alliance, China Unicom and Singtel Strengthen Interconnected Platform Capabilities with eSIM Swap Collaboration in 2020.