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Telephone settings
Analog cordless 1-line/2-line - A2410/CTM-A2411/CTM-A2411-BATT/A2420/CTM-A2421/
Analog corded/cordless 1-line - CTM-A2510/CTM-A2510-USB
Analog cordless 1-line/2-line accessory handset - CTM-A241SD/CTM-A242SD/CTM-C4101/
Analog cordless 1-line/2-line accessory Petite - CTM-A241P/CTM-A242P
Hold
The call on hold timeout duration can be programmed from 01 to 99 minutes. Select 00 to disable the auto-release feature on
call on hold.
To change the call on hold timeout duration:
1. Remove the faceplate and overlay if they are on the telephone base. Then press the recessed PROGRAM key.
2. Press 02 and you hear 3 beeps. Then press the dialing keys from 00 to 99 minutes. You hear 3 rising beeps as confirmation.
Voicemail voltage detection
There are several voicemail voltage detection methods on the telephone base that can be programmed.
To disable the voicemail voltage detection:
1. Remove the faceplate and overlay if they are on the telephone base.
2. Press the recessed PROGRAM key, then press 100.
3. Press the recessed PROGRAM key, then press 110.
4. Press the recessed PROGRAM key, then press 120.
5. Press the recessed PROGRAM key, then press 130.
6. Press the recessed PROGRAM key, then press 140.
To set the voicemail voltage detection by the steady high voltage, periodic high voltage pulse and periodic low voltage
pulse detection method:
1. Follow Step 1 to Step 6 in To disable the voicemail voltage detection above.
2. Press the recessed PROGRAM key.
3. Press 10 and you hear 3 beeps. Then press 1 to enable the setting. You hear 3 rising beeps as confirmation.
To set the voicemail voltage detection by the line reversal method:
1. Follow Step 1 to Step 6 in To disable the voicemail voltage detection above.
2. Disable voicemail signal to the telephone.
3. Press the recessed PROGRAM key.
4. Press 11 and you hear 3 beeps. Then press 1 (auto). You hear 3 rising beeps as confirmation.
5. Get a dial tone. Wait for about 3 seconds and then hang up.
6. After about 15 seconds, when the MESSAGE WAITING LED is off, enable voicemail signal to the telephone.
7. After about 15 seconds, when the MESSAGE WAITING LED is on, disable voicemail signal to the telephone. After about
15 seconds, the MESSAGE WAITING LED is off if you successfully completes the setting.
If you fail to set the above setting, follow below steps to set another setting.
1. Follow Step 1 to Step 6 in To disable the voicemail voltage detection above.
2. Disable voicemail signal to the telephone.
3. Press the recessed PROGRAM key.
4. Press 11 and you hear 3 beeps. Then press 2 (default 0) or 3 (default 1). You hear 3 rising beeps as confirmation. After about
15 seconds, if the MESSAGE WAITING LED is on, repeat the steps above to try another setting.
5. After about 15 seconds, when the MESSAGE WAITING LED is off, enable voicemail signal to the telephone.
6. After about 15 seconds, when the MESSAGE WAITING LED is on, disable voicemail signal to the telephone. After about
15 seconds, the MESSAGE WAITING LED is off if you successfully completes the setting.
To set the voicemail voltage detection by the FSK detection method:
1. Follow Step 1 to Step 6 in To disable the voicemail voltage detection above.
2. Press the recessed PROGRAM key.
3. Press 12 and you hear 3 beeps. Then press 1 to enable the setting. You hear 3 rising beeps as confirmation.
CTM-A2421-BATT
CTM-C4201
59
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