New Battery for Comcast Busines Voice Modem
I received a letter via postal mail from Comcast stating our battery backup needed to be replaced and to visit https://www.comcastsupport.com/tools/EmtaBatteryManagement/Start.aspx for a free replacement. However when I go to this site and enter our main telephone number and our account number, it says the information provided doesn't match Comcast's records. Please advise. Thanks!