Doro 5055 - Manual (Page 34)

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Other
Troubleshooting
Check that the telephone cord is undamaged and properly plugged in.
Disconnect any additional equipment that may be connected. If the
problem is resolved, the fault is with the other equipment.
Test the equipment on a known working line. If the product works then
the fault is with the line. Please inform your local telephone company.
No Number Shown in Display when Ringing
- In order for this feature to function, you must subscribe to the Caller
Identifi cation service from your network provider.
- If ****** is shown in the display, it either means that no
information was sent about the calling number, or that the caller has
a secret telephone number. It may also be a voicemail message.
- If MOBILE is displayed, the network operator has sent this call
description as a name, the telephone number will only be visible when
scrolling through the call list, press
0
when name is shown.
0 0
- It may not be possible to receive CID information if the phone
operates in a PBX system.
Warning Tone During a Call
- The batteries may be running low (recharge the hand unit).
Telephone Does Not Work
- Check that charge contacts in handset and base unit are clean.
- Check the adapter, is it correctly connected to the base unit and to
the mains power?
- Check that the telephone cord has been correctly connected to the
base unit and to the line socket, by disconnecting and reconnecting
both ends.
- Check the charge status of the handset batteries.
- Try connecting another telephone, known to be in working order, to
the line socket. If that phone works then it is likely that this
equipment is faulty.