Real Time Texting Providers?

J

justcurious

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Sprint does not offer RTT. If you have RTT, which provider do you use? Thanks!
 
t-mobile has RTT ready only for VoLTE only know as 4GLTE. GPRS, UMTS or HSPA does not have RTT . Samsung Galaxy S8 or later include Note 8 or later

older cellular technology use Hardware TTY
 
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