Sony SPP-M920 - Manual (Page 35)

Symptom Remedy
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The CHARGE lamp doesn't
light up when you replace the
handset on the base phone.
Wipe the charge terminals of the base phone and the
handset with a soft doth or paper towel for better
contact of the charge terminals.
Make sure the handset is placed on the base phone
properly.
Make sure power interruption has not occurred and
AC power adaptor is connected properly.
The battery pack has a shorter
life. The power wasn’t continuously supplied to the base
phone during charging.
The battery pack was charged less than 8 hours (due
to power failure, etc.).
If the battery lasts only a few minutes even after 8
hours of charging, the usable life of the battery has
expired and needs replacement. Contact your
authorized dealer or service center and ask for a Sony
BP-T23 rechargeable battery pack.
The caller's name or phone
number does not appear on the
display. Make sure you subscribe to Caller ID service or Caller
name service with your telephone company.
Caller ID service may not work when the phone is
connected to a Private Branch Exchange (PBX).
The call is made through a company which does not
offer Caller ID service. "UNAVAILABLE" appears on
the display (page 26).
You received a call which was blocked. "PRIVATE"
appears on the display (page 26).
when Caller ID information is incomplete in some
reasons of line condition, "TRANSMISSION ERROR"
appears on the display.
The caller's name or phone
number does not appear on the
display during call waiting. Make sure you subscribe to Caller ID service and also
"call wailing" service with a telephone company
which offers Caller ID service combined with "call
waiting" service (page 29).
Make sure nobody is talking on another phone on the
same telephone line.
You cannot dial the number
from the Caller ID list. This function may not work when the phone is
connected to a Private Branch Exchange (PBX),
The telephone always connects
with the wrong number when
you dial from the Caller ID list. If you are dialing a long-distance number, enter the
number "1" and the area code first and then select
from the Caller ID list.
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Speakerphone doesn't activate Make sure power interruption has not occurred and
AC power adaptor is connected properly.
To obtain the best speakerphone performance, see
page 17.
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Additional Information | 35