T-Mobile today announced that it will be the first wireless provider in the United States to offer built-in messaging based on the Rich Communication Services (RCS) standard. 

In a blog post, T-Mobile CTO Neville Ray said the offering was an extension of its Voice-over-LTE (VoLTE) offering. With the new messaging service, users will be able to message in near real time and send large videos via the service, among other features. 

"With T-Mobile Advanced Messaging, you won’t need to search out, download, install, setup and register an extra app to get all that and more," Ray said. "It just works. Right out of the box. And, even more important, because Advanced Messaging is built on the RCS standard, in the future, your real-time chats won’t be held inside a single app or platform ecosystem."

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Ray points out that one of the attractions of RCS is that it is device and platform agnostics. 

In conjnunction with the announcement, T-Mobile is offering the new Samsung Galaxy Grand Prime, the company's first device to come with T-Mobile Advanced Messaging. 

The carrier said the service will come next to the Galaxy S5 and S6 through software updates, and nearly a dozen more devices will come with Advanced Messaging in 2015.

"In the future, we expect it will be a standard feature on new smartphones sold," Ray said.