Each common carrier providing telephone voice transmission services shall provide, in compliance with the regulations prescribed herein, throughout the area in which it offers services, telecommunications relay services, individually, through designees, through a competitively selected vendor, or in concert with other carriers. Interstate Spanish language relay service shall be provided. Speech-to-speech relay service also shall be provided, except that speech-to-speech relay service need not be provided by IP Relay providers, VRS providers, captioned telephone relay service providers, and IP CTS providers. In addition, each common carrier providing telephone voice transmission services shall provide access via the 711 dialing code to all relay services as a toll free call. A common carrier shall be considered to be in compliance with these regulations:
(a) With respect to intrastate telecommunications relay services in any state that does not have a certified program under Sec. 64.606 and with respect to interstate telecommunications relay services, if such common carrier (or other entity through which the carrier is providing such relay services) is in compliance with Sec. 64.604; or
(b) With respect to intrastate telecommunications relay services in any state that has a certified program under Sec. 64.606 for such state, if such common carrier (or other entity through which the carrier is providing such relay services) is in compliance with the program certified under Sec. 64.606 for such state. [65 FR 38436, June 21, 2000, as amended at 66 FR 67114, Dec. 28, 2001; 73 FR 21258, Apr. 21, 2008; 79 FR 62882, Oct. 21, 2014]