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HT502 User Manual

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)

Prompt Tone

Access Code

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

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

Update

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

Disable Voice

Prompt

Default is No. Disables the voice prompt configuration.

Disable Direct IP

Call

Default is No. Disables the Direct IP Call function.

NTP server

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

synchronizes the date and time.

Grandstream Networks HT502 User Manual

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