Grandstream Networks UCM6510 IP PBX User Manual page 119

Busy Tone Count
Congestion Detection
Congestion Count
Tone Country
Busy Tone
Congestion Tone
PSTN Detection
Firmware Version 1.0.1.12
signal. The default setting is "Yes".
If "Busy Detection" is enabled, users can specify the number of busy tones
to be played before hanging up. The default setting is 2. Better results
might be achieved if set to 4, 6 or even 8. Please note that the higher the
number is, the more time is needed to hangup the channel. However, this
might lower the probability to get random hangup.
Congestion detection is used to detect far end congestion signal. The
default setting is "Yes".
If "Congestion Detection" is enabled, users can specify the number of
congestion tones to wait for. The default setting is 2.
Select the country for tone settings. If "Custom" is selected, users could
manually configure the values for Busy Tone and Congestion Tone. The
default setting is "United States of America (USA)".
Syntax:
f1=val[@level][,f2=val[@level]],c=on1/off1[-on2/off2[-on3/off3]];
Frequencies are in Hz and cadence on and off are in ms.
Frequencies Range: [0, 4000)
Busy Level Range: (-300, 0)
Cadence Range: [0, 16383].
Select Tone Country "Custom" to manually configure Busy Tone value.
Default value:
f1=480@-50,f2=620@-50,c=500/500
Syntax:
f1=val[@level][,f2=val[@level]],c=on1/off1[-on2/off2[-on3/off3]];
Frequencies are in Hz and cadence on and off are in ms.
Frequencies Range: [0, 4000)
Busy Level Range: (-300, 0)
Cadence Range: [0, 16383].
Select Tone Country "Custom" to manually configure Busy Tone value.
Default value:
f1=480@-50,f2=620@-50,c=250/250
Click on "Detect" to detect the busy tone, Polarity Reversal and Current
Disconnect by PSTN. Before the detecting, please make sure there are
more than one channel configured and working properly. If the detection
has busy tone, the "Tone Country" option will be set as "Custom".
UCM6510 IP PBX User Manual Page 117 of 277