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Technical Product Manual - DCT1900
Maintenance, Fault Finding Procedures
6-8
Maint-DCT1900/R8/mw
© 2000-2005
NO DIAL TONE
Press the "YES" key
on the Portable.
Flashing or
stable hook icon
displayed?
Switch off the
Portable and then on
again. Press "YES"
key.
Flashing or
stable hook icon
displayed now?
Flashing hook
icon stable after a
few seconds?
Portable okay now.
Dial tone will be
heard.
END
Yes
No Yes
No
Portable
Telephone defect
Turns off after some
flashing.
No speech channels available
in Base Stations, SPUs or
SLUs: Try again later or on
another location. If this doesn't
solve the problem, the Portable
Telephone is defective.
Check that associated
extension number is registered
in Mobility Server/PBX and not
blocked. Otherwise Portable
Telephone is defective.
1) Other Portable Telephones do
receive dial tone when locked to
the same Base Station.