Technical Details for Topcom Butler 3500 Duo

Topcom Butler 3500 Duo ... compatible;
Multi-base / handset: 1 base / 2 handsets;
Base station / handset system Security (PIN code):4 DIGIT;
Liquid crystal display type: alphanumeric 14 segments;
Number of lines on display: 1 + Icons;
LCD color type: black / white;
Multi-language: 5;
Handset receiver volume control: 5 levels;
Independent ringer off on internal calls;
Different melodies for internal / external calls;
Name & number ringtone matching;
Handset Phonebook: 30;
Pre-dialing Facility (manual dialing);
Pre-dialing Facility (memory dialing);
Dialing mode: tone / standard pulse;
Ability to name handsets;
Pause dialing;
Call transfer between handsets;
Intercom between 2 handsets;
Auto-talk standby;
Switchable flash time;
Secrecy facility;
Last number redial: 5;
Selective delete of redial entries;
Clear redial memory;
Low battery warning;
Out-of-range warning;
Handset power On/Off;
Call timer;
Caller ID mode: FSK/DTMF;
Caller ID type: type 2;
Received Calls List: 30;
Missed calls list: 30;
Calls list includes time / date of call;
Keypad lock.