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172 User Manual
2.11 Other Features
2.11.1 Controlling the External Modem (External Modem
Control)
Allows you to control the external modem, connected to the KX-TD500 System, using an RS-232C
cable, by sending a pre-assigned AT command (for enabling Automatic Answer, etc.).
To activate an AT command
Off-hook.
Enter AT command
number.
Command 1
Command 2
Command 3
Command 4
Command 5
On-hook.
C.Tone
PT / SLT
Dial 791.
7 9 1
1
2
3
4
5
Rotate Jog Dial until
"Extrn MODEM"
is displayed.
Press MODE until
"Feature Access"
is displayed.
T7531
Extrn MODEM 1-5
Press SELECT.
SELECT MODE
→
MODE
On-hook.
C.Tone
Enter AT command
number.
Command 1
Command 2
Command 3
Command 4
Command 5
1
2
3
4
5