Sony SPP-IM977 Operating Instructions - Page 69

Caller ID Symptom Remedy The caller's name and/or phone number does not appear on the display during call waiting. • Make sure you have subscribed to "Caller ID with call waiting" service (page 60). • Make sure nobody is talking with another phone on the same telephone line. You cannot dial the number from the Caller ID list. • Make sure you entered your home area code correctly (page 17). • You may need to change the number of digits of the phone number (page 58). • This function may not work when the phone is connected to a Private Branch Exchange (PBX). The memory match function does not work. • If the call is from an office which uses multiple lines, the phone number may not match the number you put in the memory. • If you have stored the phone number with an outside line access digit on a speed dialing key or in the Phone Directory because the phone is connected to a Private Branch Exchange (PBX), the phone number will not match the Caller ID data. You cannot use visual massage waiting service. • Make sure you have subscribed to visual message waiting service (page 61). • If you move or change your telephone company, reset this phone (page 62). The CHARGE lamp does not light up when you place the handset to charge. • Wipe the charge terminals of the base phone and the handset with a soft cloth for better contact of the charge terminals. • Make sure the handset is placed on the base phone properly. The battery duration is short. • The battery pack was charged less than 12 hours (due to power failure, etc.). • The usage life of the battery has expired and needs replacement. The CHARGE lamp flashes. • Move the handset closer to the base phone. • Make sure the battery is inserted in the handset. • The battery may be completely discharged. Charge the battery for more than 12 hours (page 14). It may require several times of charging to recover to its full capacity. Power source/battery Additional Information Additional Information 69US