988 text message.
Covered 988 text message means a 988 text message in SMS format and any other format that the Wireline Competition Bureau has determined must be supported by covered text providers.
Covered text provider includes all CMRS providers as well as all providers of interconnected text messaging services that enable consumers to send text messages to and receive text messages from all or substantially all text-capable U.S. telephone numbers, including through the use of applications downloaded or otherwise installed on mobile phones.
Multimedia message service (MMS) shall have the same definition as the term in § 64.1600(k) of this chapter.
Short message service (SMS) shall have the same definition as the term in § 64.1600(m) of this chapter.
47 C.F.R. §52.201