Get underlying error code on remote channel.
Possible remote channel error code are:
NOT_ATTACHEDif the target remote device is not attached to the basestation
TIMEOUTif a timeout occured when connecting to the basestation.
FORBIDDENif the basestation request is rejected
TOKEN_REJECTEDif the basestation rejected based on an invalid SCT or JWT
DNSif the server URL failed to resolve
UNKNOWN_SERVER_KEYif the provided server key was not known by the basestation
UNKNOWN_PRODUCT_IDif the provided product ID was not known by the basestation
UNKNOWN_DEVICE_IDif the provided device ID was not known by the basestation
NONEif remote relay was not enabled
public ErrorCode getRemoteChannelErrorCode()
the remote channel error code