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HT813 Administration Guide
Version 1.0.1.2
Enable Current
Disconnect
This value should be used in case the PSTN provider uses line power drop to indicate
call completion to the end point. In this case the HT813 will search for a power drop
for a preconfigured time frame to disconnect such calls from a VoIP extension. Default
is Yes.
Current Disconnect
Threshold (ms)
This is a preconfigured value of duration for a line power drop used by specific service
providers. For example, for a configured value of 500ms the device will ignore any
random voltage drops on the line if duration of such drop is less than 500ms and the
call will NOT be considered as terminated. This is useful to prevent unnecessary call
drops in some low quality PSTN lines. Default is 100 ms. Range from 50 to 800 ms.
Enable PSTN
Disconnect Tone
Detection
If set to Yes, arrived Busy Tone is used as the disconnect signal.
In certain countries, the central office will send a special busy tone to indicate when a
call is disconnected from the remote side. User can pre-configure this tone on the
ATA. The user should know the frequency values and cadences of these tones.
Here is an example for the syntax for a busy tone in the U.S.A:
Syntax: f1=freq@vol, f2=freq@vol, c=on1/off1-on2/off2-on3/off3;
Note: freq: 0 - 4000Hz; vol: -30 - 0dBm
Default: Busy Tone - f1=480@-32,f2=620@-32,c=500/500;
Note : Maximum supported cadences is 3
This should be set to Yes only if the FXO lines are subscribed to PR service from PSTN
Service provider. It is merely a PR detect feature. Default is No.
Note: If there is no PR service from provider on the FXO line, and this setting is
configured to Yes, calls will not be successful.
You can select the AC termination by Country or by Impedance.
Default is Country-based.
15 Countries are selectable in this version of the F/W.
USA
AUSTRIA
AUSTRALIA/NEW ZEALAND
BELGIUM
CHINA
FINLAND
FRANCE
GERMANY
https://arttel.ru/
https://arttel.ru/shop/voip-shlyuzy/grandstream-ht-813
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