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Beside the above settings, VIP-154NT also can set the volume of PSTN.
PSTN-Out Volume is to set the volume for you can hear from the PSTN line.
PSTN-In Gain is to set the volume send out to the other PSTN side’s haneset.
Volume Settings for VIP-154NT
Ringer Setting
This page defines the user can set the tinkle of bells when someone ring your IP Phone. If want to set
ringer, it need to enable Ringer function and select the Ringer Type you wanted. There are four Ringer
Types can be chosen. When you finished the setting, please click the Submit button.
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