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Grandstream DP750
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Version 1.0.3.23
Settings
Network Settings
Basic Settings
Advanced Settings
Ring Tones
System Features

Ring Tones

Syntax: c=on1/ off1[- on2/ off2[- on3/ off3]];
(Cadence on and off are in 1 ms units)
System Ring Cadence

Call Progress Tones

Syntax: f1=val, f2=val[, c=on1/ off1[- on2/ off2[- on3/ off3]]];
(Frequencies are in Hz and cadence on and off are in 1 ms units)
Dial Tone
Ringback Tone
Busy Tone
Call-Waiting Tone
Call-Waiting Tone

ON is the period of ringing ("On time" in "ms") while OFF is the period of silence. Up to three cadences are supported.

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