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Dial Tone Detection
98 ◆ Features DSX Software Manual
Dial Tone Detection
Description
The system can optionally detect precise CO dial tone for automatically dialed outside calls (such as Speed
Dial and Auto Redial calls). With Dial Tone Detection enabled for a line, the system will monitor the line
when initially seized for valid dial tone or stutter dial tone. If valid EIA/TIA dial tone is detected, the system
outdials the call on the line. If dial tone is not detected within 2 seconds, the system will try the next avail-
able line in the same line to which the initial line belongs. If another line in the group is not available, the
user hears busy tone. Dial Tone Detection does not apply to manually dialed outside calls.
If Dial Tone Detection is disabled, the system waits 500mS after line seizure and then outdials the number.
If enabled, Dial Tone Detection applies to the following types of outside calls:
❥ Auto Redial (initial line seizure)
❥ Caller ID (callbacks)
❥ Last Number Redial
❥ Call Forwarding Off Premise
❥ Save
❥ Speed Dial
Conditions
• None.
Default Setting
• Disabled.
Programming
1. If yes, in 3111-03: Dial Tone Detection (page 817) enter Yes.
2. If no, in 3111-03: Dial Tone Detection (page 817) enter No.
Other Related Features
Features
Dial Tone Detection applies to the following features:
❥ Auto Redial (page 28)
❥ Call Forwarding Off Premises (page 51)
❥ Caller ID Logging (page 68)
❥ Last Number Redial (page 219)
❥ Save Number Dialed (page 298)
❥ Speed Dial (page 315)
IntraMail Features
None
Operation
None
You can set up the system to detect CO dial tone.
1. Should a line have dial tone detection enabled?