30
DS4501-002
TONES SETTINGS
The Tone setting can be adjusted to generate Dial tone, Ring tone, Ring Back tone, and Busy tone for different countries. When you fi nished with
the settings, please click the Submit button.
ADVANCED SETTING
The advanced settings might be useful for some network requirements. The ICMP function is to echo when someone ping this device. This can
prevent from haker attacking the device by not echoing. When you fi nished the setting, please click the Submit button.
