User`s manual

-dt to set DialTone value.
The played tone type, when hook off a phone set of workable
Gateway.
-flash set the detective flash range in ms, for example, 300-500 ms.
5.19 [tone]
This command is basically for FXO ports.
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usr/config$ tone
Disconnect tone and remote ring back tone configuration
Usage:
tone [num][freqHi ][freqLo ][freqHiLev][freqLoLev]
[Tone1ON][Tone1OFF][Tone2ON ][Tone2OFF ]]
tone -print Display disconnect tone configuration.
[num] Tone index(1~4:Disconnect tone / 5~8:Remote ring back
tone).
Example:
tone -print
tone 1 620 480 8 8 50 50 1023 1023
usr/config$
Parameter Usages:
-print show all tone configuration
[num] tone index. 1~4 is disconnect tone, 5~8 is remote ring back
tone.
For FXO ports Gateway must detect disconnect tone to
determine when to disconnect the call, so user must set
disconnect tone of PBX or PSTN network connected to FXO
ports.
When making a call from FXO ports, there are 2 ways to
detect callee has already picked up the call, one is to detect
reverse signal, and the other is to detect the termination of
ring back tone, so user must set ring back tone of PBX or
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