Features:
1) CO lines: 2 - 4
2) Extension lines: 8 - 16
3) Multiple communication lines
4) Normal transformed power
5) Switch power (optional)
6) Backup battery interface (optional)
7) Power failure transfer
8) External line caller ID
9) Transfer caller ID
10) Intercom caller ID
11) Auto-attendant (DISA-12s, one paragraph)
12) Outgoing message recording
13) Auto IP dialing
14) Internal music on holding
15) Door bell and door opener (optional)
16) Remote programming
17) Memory protection while power off
18) 11-chord melody music selectable
19) Automatic / operator mode
20) System password
21) Flexible extension number assignment
22) Multiple dial-out modes
23) External line group
24) Duration control, call pickup
25) Outgoing call transfer
26) Call transfer
27) Call forwarding
28) Flexible coding (change extension number)
29) Do not disturb
30) Automatic EX reporting
31) Flash time choice
32) Ringing assignment
33) Call restriction
34) Three way conference
35) CO line transfer to CO line
36) Call all extensions
37) Specific CO line dialing
38) Ring identification
39) CO line booking
40) CO line reservation
41) Operator setting
42) CO monitor
