Changes to Create a realtime WebRTC call

added the new internal_error enum value to the error/type response property for the response status 400 (media type: application/sdp)

added the new internal_error enum value to the error/type response property for the response status 400 (media type: application/json)

added the new internal_error enum value to the error/type response property for the response status 401 (media type: application/sdp)

added the new internal_error enum value to the error/type response property for the response status 401 (media type: application/json)

added the new internal_error enum value to the error/type response property for the response status 429 (media type: application/sdp)

added the new internal_error enum value to the error/type response property for the response status 429 (media type: application/json)

added the new internal_error enum value to the error/type response property for the response status 501 (media type: application/sdp)

added the new internal_error enum value to the error/type response property for the response status 501 (media type: application/json)

added the new internal_error enum value to the error/type response property for the response status 502 (media type: application/sdp)

added the new internal_error enum value to the error/type response property for the response status 502 (media type: application/json)

added the new permission_error enum value to the error/type response property for the response status 400 (media type: application/sdp)

added the new permission_error enum value to the error/type response property for the response status 400 (media type: application/json)

added the new permission_error enum value to the error/type response property for the response status 401 (media type: application/sdp)

added the new permission_error enum value to the error/type response property for the response status 401 (media type: application/json)

added the new permission_error enum value to the error/type response property for the response status 429 (media type: application/sdp)

added the new permission_error enum value to the error/type response property for the response status 429 (media type: application/json)

added the new permission_error enum value to the error/type response property for the response status 501 (media type: application/sdp)

added the new permission_error enum value to the error/type response property for the response status 501 (media type: application/json)

added the new permission_error enum value to the error/type response property for the response status 502 (media type: application/sdp)

added the new permission_error enum value to the error/type response property for the response status 502 (media type: application/json)

added the optional property error/provider to the response with the 400 status (media type: application/sdp)

added the optional property error/provider to the response with the 400 status (media type: application/json)

added the optional property error/provider to the response with the 401 status (media type: application/sdp)

added the optional property error/provider to the response with the 401 status (media type: application/json)

added the optional property error/provider to the response with the 429 status (media type: application/sdp)

added the optional property error/provider to the response with the 429 status (media type: application/json)

added the optional property error/provider to the response with the 501 status (media type: application/sdp)

added the optional property error/provider to the response with the 501 status (media type: application/json)

added the optional property error/provider to the response with the 502 status (media type: application/sdp)

added the optional property error/provider to the response with the 502 status (media type: application/json)

endpoint added