AT&T E5804 User Manual page 39

Troubleshooting
I hear other
calls when using
the telephone
are not working
properly
The system does
not receive caller
does not display
call waiting
the user's manual of your router for more information).
same problem, the problem is in the wiring or local serv-
apply).
filter installed at every telephone jack that has a telephone
information.
Plug in a different telephone. If you still hear other calls,
the problem is probably in the wiring or local service.
this service from your local telephone company for this
feature to work on your telephone.
The caller may not be calling from an area which supports
the telephone line between the telephone base and
for filter information.
services provided by the local telephone company.
The caller may not be calling from an area which supports
the telephone line between the telephone base and
for filter information.