User`s guide

Troubleshooting 264
Synapse User’s Guide
Deskset cannot make or
receive phone calls and the
Deskset screen displays
Synchronizing....
The Deskset is the only
device on the subnet, or is
on a different subnet than
any Gateways.
 The Deskset may temporarily display Synchronizing…
for a few seconds. This is normal and does not indicate a
problem.
 If this Deskset is the first device on the network,
Synchronizing... displays continuously until another
device is connected to the network.
 Confirm that the first three octets of the Deskset IP
address match the IP addresses of other system devices.
 Power cycle the Deskset by unplugging the power cord
and plugging it back in.
 If power cycling does not work, back up your Deskset and
reset to factory defaults by using a paper clip to press and
hold the reset switch (located on the underside of the
unit) for more than five seconds. Restore your settings
after restart.
Deskset cannot make or
receive phone calls and the
Deskset screen displays
Synchronizing....
(Continued)
The Deskset may have an
incompatible software
version.
 Log into the WebUI using the IP address of the Deskset.
Update the software.
See “Update Device” in the Synapse Administrator’s
Guide at
www.telephones.att.com/
synapseguides.
Symptom Probable Cause Corrective Action Deskset Troubleshooting