Planet Technology VIP-154T - Manual (Page 26)

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SNTP settings
This page defines the primary and second SNTP server IP address, to get the date/time information.
Also you can base on your location to set the Time Zone, and how long need to synchronize again.
When you finished the setting, please click the Submit button.
Volume Setting
This page defines the Handset Volume, Ringer Volume, and the Handset Gain. When you finished the
setting, please click the Submit button.
Handset Volume is to set the volume for you can hear from the handset.(Handfree mode)
Speaker Volume is to set the volume for you can hear from the speaker.
Ringer Volume is to set the ringer volume for you can hear.
Handset Gain is to set the volume send out to the other side’s handset.
Speaker Gain is to set the volume send out to the other side’s handset from the microphone. (Handfree
mode)
Volume Settings for VIP-154T/VIP-154PT