3Com NBX 100 Administrator's Manual page 196

196 C 3: D
HAPTER EVICE
C
ONFIGURATION
Table 35 Analog Line Card Ports - Advanced Settings Parameters (continued)
Field
Audio Output Gain (dB)
DTMF Output Level (dBm)
Call Progress Output Level
(dBm)
Purpose
Set this value to control the volume of the audio signal
sent to the telephone company's central office (CO).
Default: Depends on the country in which the NBX
system is operating.
When you load a regional pack (Operations >
Regional Software) and select the tones and cadences
appropriate for your location (System Configuration >
System Settings > Regional Settings > Advanced), the
default value is set on your NBX system.
Minimum: - 10 dB
Maximum: + 10 dB
Mute is a choice provided for testing purposes.
Set this value to control the volume of the tones sent to
the telephone company's central office (CO).
Default: Depends on the country in which the NBX
system is operating.
When you load a regional pack (Operations >
Regional Software) and select the tones and cadences
appropriate for your location (System Configuration >
System Settings > Regional Settings > Advanced), the
default value is set on your NBX system.
Minimum: - 14 dBm
Maximum: 0 dBm
Increment: 2 dBm per step
Set this value to control the volume of call progress
tones (such as Ring-back and Dial Tone) sent to
telephone company's central office (CO).
Default: Depends on the country in which the NBX
system is operating.
When you load a regional pack (Operations >
Regional Software) and select the tones and cadences
appropriate for your location (System Configuration >
System Settings > Regional Settings > Advanced), the
default value is set on your NBX system.
Minimum: - 30 dBm
Maximum: 0 dBm
Increment: 2 dBm per step