§ 64.621   Interoperability and portability.

   (a) General obligations of VRS providers. (1) All VRS users must be able to
   place a VRS call through any of the VRS providers' services, and all VRS
   providers must be able to receive calls from, and make calls to, any VRS
   user.

   (2) A VRS provider may not take steps that restrict a user's unfettered
   access to another provider's service, such as providing degraded service
   quality to VRS users using VRS equipment or service with another provider's
   service.

   (3) All VRS providers must ensure that their VRS access technologies and
   their video communication service platforms are interoperable with the VRS
   Access Technology Reference Platform, including for point-to-point calls. No
   VRS provider shall be compensated for minutes of use involving their VRS
   access technologies or video communication service platforms that are not
   interoperable with the VRS Access Technology Reference Platform.

   (4) All VRS providers must ensure that their VRS access technologies and
   their video communication service platforms are interoperable with the
   Neutral Video Communication Service Platform, including for point-to-point
   calls. No VRS provider shall be compensated for minutes of use involving
   their VRS access technologies or video communication service platforms that
   are not interoperable with the Neutral Video Communication Service Platform.

   (b) [Reserved]

   [ 78 FR 40609 , July 5, 2013]

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