Grandstream Networks HT502 User Manual page 46

Dual fxs port analog telephone adaptor

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Call Progress Tones Using these settings, users can configure tone frequencies and cadence according

to their preference. By default they are set to North American frequencies.

Configure these settings with known values to avoid uncomfortable high pitch

sounds. ON is the period of ringing ("On time" in 'ms') while OFF is the period of

silence. In order to set a continuous tone, OFF should be zero. Otherwise it will

ring ON ms and a pause of OFF ms and then repeat the pattern.

Example configuration for N.A. Dialtone:

f1=350@-13,f2=440@-13,c=0/0;

Syntax: f1=freq@vol, f2=freq@vol, c=on1/off1-on2/off2-on3/off3; [...]

(Note: freq: 0 - 4000Hz; vol: -30 - 0dBm)

Key pattern to get Prompt Tone. Maximum 20 digits. No Default.

Prompt Tone

Access Code

Phone LED Pattern

Choose LED Pattern rules:

Pattern A (Onhook: OFF; Offhook: ON; VM: Blink)

Pattern B (Onhook: ON; Offhook: OFF; VM: Blink if phone onhook)

Lock Keypad

If set to "Yes", the configuration update via keypad is disabled.

Update

Disable Voice

Default is No. Disables the voice prompt configuration.

Prompt

Disable Direct IP

Default is No. Disables the Direct IP Call function.

Call

NTP server

URI or IP address of the NTP (Network Time Protocol) server. This parameter

synchronizes the date and time.

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