From the recent news that iOS 18 supports sending messages via RCS, allowing iOS and Android users to send messages to each other for free without the need for separate chat apps. The Android side has widely supported RCS since around 2020.
Apple released the iOS 18 update for everyone yesterday, but users in Thailand who have updated did not find the option to enable RCS. There were inquiries on the Pantip website, and an AIS representative stated that Apple requires network service providers to have their own RCS servers, and AIS currently has no plans to offer RCS servers in the near future.
Looking at information from the Apple Support website, currently only service providers in the United States, Canada, and some European countries support RCS. However, in other parts of the world, no one supports it yet, even a single network.
Given that RCS depends on network service providers, Google, who knows well that pushing network service providers globally is a difficult and time-consuming task, chose to support RCS differently by setting up its own RCS server to support all countries through Jibe Mobile, which acquired in 2015.
Source – Pantip
**TLDR: Apple’s iOS 18 update supports RCS messaging, but network service providers in Thailand, like AIS, do not yet have plans to offer RCS servers, with Google opting to support RCS through its own servers via Jibe Mobile acquisition.**
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