A thread of conversation and media in the Google Messages application on Android
Developer
GSMA
Type
Instant messaging
Launch date
September 15, 2008; 15 years ago (2008-09-15)
Platform(s)
various Android smartphones, iPhone in 2024
Operating system(s)
Android 5 and later, iOS in 2024
Status
Active
Website
www.gsma.com/futurenetworks/rcs/
Rich Communication Services (RCS) is a communication protocol between mobile telephone carriers and between phone and carrier, aiming at replacing SMS messages with a text-message system that is richer, provides phonebook polling (for service discovery), and can transmit in-call multimedia. It is part of the broader IP Multimedia Subsystem. Google has added support for end-to-end encryption for all chats using RCS in their own app, Google Messages. End-to-end encryption is not a feature of RCS specified by GSMA, instead deferring to the individual messaging clients to establish encryption.[1][2][3][4]
It is also marketed as Advanced Messaging,[5] and was marketed as chat features,[6]joyn, SMSoIP,[7]Message+, and SMS+.[8]
In early 2020, it was estimated that RCS was available from 88 operators in 59 countries with approximately 390 million users per month.[9] By November 2020, RCS was available globally in Google Messages on Android, provided directly by Google if the operator does not provide RCS.[10] By 2023, there were 800 million active RCS users on Google's platform and 1.2 billion handsets worldwide supporting RCS.[11]
^Bohn, Dieter (19 November 2020). "Google is rolling out end-to-end encryption for RCS in Android Messages beta". The Verge. Vox Media, Inc. Retrieved 28 November 2020.
^"Google Messages Gets End-to-End Encryption for Group Chats on Android". PCMAG. Retrieved 2 December 2022.
^Li, Abner (2 December 2022). "Google Messages starts rolling out end-to-end encryption (E2EE) for group chats in beta". 9to5Google. Retrieved 2 December 2022.
^"Advanced Messaging". T-Mobile Support. Retrieved 29 February 2024.
^Friedman, Alan (23 February 2023). "Google drops "Chat" for "RCS" on Android". Phone Arena. Retrieved 26 February 2023.
^"About joyn". GSMA. Archived from the original on 29 January 2013. Retrieved 7 March 2013.
^"SMS+ - Telia.se". Telia.se (in Swedish). Retrieved 20 April 2018.
^"RCS Set to Revolutionize Mobile Messaging Ecosystem". Forest Interactive. Retrieved 18 November 2020.
^"Helping you connect around the world with Messages". Google. 19 November 2020. Retrieved 26 November 2023.
^MEF (21 November 2023). "RCS Business Messaging Takes Center Stage: Takeaways from RCS World 2023 - Blog". MEF. Retrieved 27 November 2023.
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