Installation manual
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Operator Manual for MC-4044 Series 5 G/93040 Issue 6 Page 11
SECTION 4 - DESCRIPTION OF OPERATION
MASTERCALL is a call redirection unit capable of dialling out a preset number. Tone and line current detection is
provided in software to determine when a call has been answered. MASTERCALL then connects the incoming call to the
answering party. The lines are released when both parties hang up.
Diversion of Incoming Call
The operational sequence for an incoming phone call on line 1 is:
1. Dial out number on line 2.
2. When answered, send ID announcement.
3. Answer line 1 incoming call and connect through to line 2.
4. Disconnect call on receipt of line lockout or the disconnect signal from the exchange ( or DTMF # 59 # forced
disconnection ).
Activity Codes on Display
0. = Silence.
1. = Busy tone.
2. = Modulated dial tone.
3. = Number Unobtainable (NU).
4. = Speech.
5. = Steady tone.
6. = No progress or ‘random’ busy tone detected.
7. = Ring tone.
8. = Connecting caller to diverted number.
9. = Waiting for call back on line 2.
SECTION 5 - TESTING
After installation, there are several facets that need to be tested. These include the connection to the phone lines and
dialling operation of the diverter.
Diversion of incoming call
1. Dial either line from another telephone.
2. Check the diverter for correct out-dialling and connection of call.
3. Terminate call and check that the call diverter disconnects.
Line current detection
If the call diverter is specially wired in Mode 3 to the phone line (in series, like a facsimile machine):
1. Set diverter to off mode (diversion deactivated).
2. Lift up a handset on either line in turn.
3. Check that the decimal point is illuminated.
4. Hang up handset and check the point goes out.
NOTES
1. If the mains power fails and the Call Diverter is operating on the internal battery power, the ‘Power’ LED will go out
but all other indicators will continue to operate.
2. When ‘shipping’ or storing the unit, the battery must be turned off by unplugging the power and pressing # 2288 #.