Disruption of Service Customer acknowledges and understands that Voice Service will not be available for use under certain circumstances, including without limitation when the network or facilities are not operating or if normal electrical power to the MTA, ATA or ALG is interrupted and such equipment does not have a functioning backup. Customer also understands and acknowledges that the performance of the battery backup is not guaranteed. If the battery backup does not provide power, Voice Services will not function until normal power is restored. Customer also understands that certain online features of Voice Service, where such features are available, will not be available under certain circumstances, including but not limited to the interruption of the Internet connection.