att 5870 Manuale Utente

67

If the caller’s name or 

• Make sure you subscribe to Caller ID

phone number is not 

service from your local telephone 

displayed:

company.

• Make sure the battery is charged.

• Caller ID service might not work when the

phone is connected to a Private Branch
Exchange (PBX).

If the caller’s name or 

• You should call your service provider to 

phone number is not 

confirm that you subscribe to combined 

displayed during 

Caller ID with Call Waiting service.

Call Waiting:

• Caller ID information received during Call

Waiting is displayed only on the handset
that is in use.

• Make sure the battery is charged.

91-5431-10-00_ATT5870_R0JUN040  2/5/03  4:03 PM  Page 66