IBM -4900 User Manual
Page 44
Intercom service doesn’t appear to work.
Check to make sure the phone lines for all extensions are set up consistently, meaning that all
phones are properly wired for [LINE I], 2, 3 and 4. Review “Connecting Your Telephone Lines”
section.
The caller’s name and/or phone number does not appear on the display.
Make sure you have subscribed to Caller ID Service (from local telephone company).
Caller ID service may not work when the phone is connected to a Private Branch Exchange
(PBX).
The call is coming from an area not supplying caller ID data. “Out of Area” will appear on the dis-
play.
The caller has requested that their phone number be suppressed from Caller ID service. “Private”
or “Unavailable” will appear on the display.
You answered the call before the Caller ID data was displayed, which usually occurs after the sec-
ond ring.
New
Call/Message Waiting Indicator doesn’t work properly.
Make sure you have subscribed to voice mail compatible with
type signaling (check with
your local phone company). If your voice mail product from the local phone company does not
support
signaling, you may use this feature as a New Call Indicator only.
Can’t receive or make phone calls.
Check to be sure the phone is set to the correct type of service, either Tone or Pulse.
The cordless handset can not be used if the base (speakerphone) is in use. The base can not be
used if the handset is in use.
Can’t use the handset,
LED on handset flashing rapidly.
The handset security code must be reset. The simplest way to do this is to remove the battery
pack from the handset momentarily, then re-insert it and place the handset back on the base.
You should hear a “chirp” indicating the security code has been reset.
4s
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