Operation Manual

Troubleshooting
FRITZ!X USB – 8 Support 73
z
Are your terminal devices – telephones, modems, fax
machines – correctly connected to FRITZ!X USB?
z Is your terminal device defective? Test it on a different
FRITZ!X USB extension or on a different PBX.
No external dial tone when you pick up the telephone
handset
Check whether automatic outside dialing is set for the
extension. If not, see if you can obtain a dial tone by dialing
“0”.
No internal dial tone when you pick up the handset
Check whether your extension is configured as an PBX
extension (you can obtain an external line by dialing “0”) or
whether automatic outside dialing is enabled for the
extension.
The busy signal sounds when the handset is picked up.
z If your terminal device has been set to automatic
outside dialing and the busy signal sounds when you
pick up the handset, all outside lines are currently
busy. At the moment you cannot dial an external call.
Wait until an external line is free.
z If your terminal device has been configured as a PBX
extension and the busy signal sounds after you dial the
outside dialing access (“0”), all outside lines are
currently busy. At the moment you cannot dial an
external call. Wait until an external line is free.
Your fax machine indicates that the line is busy
All external lines are currently busy. At the moment you
cannot dial an external call. Wait until an external line is free.
F!XUSB-e.book Seite 73 Mittwoch, 8. November 2006 2:23 14