17
Troubleshooting
Symptoms Possible Problems/ Solutions
There is no dial tone.
Please wait for 1~2 minutes
after the Z723EL is turned on.
If signal reception is poor,
move to where signal reception
is good.
The line is noisy/ distorted when I
lift the phone off the hook.
Remove any electrical
appliance which is too close to
the phone or router.
The cable or phone set might
be faulty.
I hear a rapid engaged tone as
soon as I lift the phone off the
hook.
Put the phone on hook and try
again.
After dialing the last digit I hear
nothing /silence.
When you have finished dialing,
wait 4-8 seconds to connect the
call.
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