AudioCodes 445HD - 8.3 Viewing and Playing Voicemail Messages

Administrator's Manual 5. Configuring VoIP Settings
Version 3.4.3 123 400HD Series IP Phones
5.9.5 Configuring Handset Volume
The handset volume can be configured.
Note: It's strongly advisable not to change the default values.
 To configure handset volume:
• Use the table as reference.
Table 5-60: Handset Gain Parameters
Parameter Description
Handset Gain Parameters
Note: Values are in decibels (dB)
voip/audio/gain/NB/handset_digital_output_gain
Digital output gain (in dB) – Narrow Band.
Default = 2.
The valid range is (-32) to 31 (dB), where -
32 is mute.
voip/audio/gain/NB/handset_digital_input_gain
Digital input gain (in dB) – Narrow Band.
Default = -2.
The valid range is (-32) to 31 (dB), where -
32 is mute.
voip/audio/gain/WB/handset_digital_input_gain
Digital input gain (in dB) – Wide Band.
Default = -2.
The valid range is (-32) to 31 (dB), where -
32 is mute.
voip/audio/gain/WB/handset_digital_output_gain
Digital output gain (in dB) – Wide Band.
Default = -8.
The valid range is (-32) to 31 (dB), where -
32 is mute.
voip/audio/gain/NB/handset_analog_output_gain
Analog output gain (in dB), for Narrow
Band.
Valid values:
0DB (default), minus1_5db, minus3db,
minus4_5db, minus6db, minus7_5db,
minus9db, minus10_5db, minus12db,
minus13_5db, minus15db,
minus16_5db, minus18db,
minus19_5db, minus21db,
minus22_5db, minus24db,
minus25_5db, minus27db,
minus28_5db, minus30db,
minus31_5db, minus33db,
minus34_5db, minus36db,
minus37_5db, minus39db, minus39db,
minus42db, minus48db, minus54db,
MUTE