Cortelco FOUR LINE CORDLESS ANALOG ADAPTER 2742 User Manual
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APPENDIX C
DTMF Operating Codes
The following dial codes are used for control of your cordless adapter
DTMF CODE
OPERATION
9
For seizing an available CO Line (scanning from CO1 thru CO4)
81
For selecting CO-1.
82
For selecting CO-2
83
For selecting CO-3
84
For selecting CO-4
01 through 16
For dialing intercom stations
#01 through #16
For Paging a selectable 2740/2750 station
# #
To Page across all 2740/2750s
Flash
To put a Line on Hold (only one CO line can be put on hold) and to retrieve a held call
Flash and 7
To send a Flash out on an active CO Line
*01 through *16
To transfer an on-hold CO line to another station
6XXYYYYZ6
For programming the cordless adapter
XX = Station Number
Y = CO Line
Z = Flash Timer
See section 3 for instructions on setting up cordless adapter.