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8. Input gain modifies the level of the audio coming in to the
voice channel before it is sent over the Internet to the
remote MultiVOIP. Output gain modifies the level of the
audio being output to the device attached to the voice
channel. Make your selections from the Input and Output
lists in the Voice Gain group. The valid range is +31dB to
–31dB with a recommended/default value of 0.
You can also set up the DTMF gain (or output level in
decibels - dB) for the higher and lower frequency groups
of the DTMF tone pair. Make your selections in the drop-
down lists in the DTMF Gain group.
Note: Only change the DTMF gain under the direction of
Multi-Tech Technical Support supervision.
9. To change the voice coder, select the Manual option in the
Coder group. Select the appropriate coder from the
Selected Coder list.
If you changed the voice coder, ensure that the same
voice coder is used on the voice/fax channel you are
calling; otherwise, you will always get a busy signal.
Configuring MultiVOIP Slaves
39
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