Matrix SETU ATA211 System Manual
55
Default: Polarity Reversal.
•
Open Loop Disconnect Timer:
If you selected Open Loop Disconnect, you may set the value of
this timer, as required. Default: 500 milliseconds.
3.
Select the
Subscriber Type
for SETU ATA211. Default: Gateway.
When SETU ATA211is interfaced with a service provider server—ITSP, the Matrix ETERNITY IP-PBX, or
any other PBX—that supports supplementary services that require dialing of Flash, like Call Hold, Call
Transfer, Call Waiting, etc., you must select the Subscriber Type for SETU ATA according to the extent of
feature access you want on the FXS port connected to system.
•
Select
Network,
if you want to use the supplementary services supported by the PBX. When you set
SETU ATA211 in the Network mode, you can access the service provider features by dialing flash. You
will not be able to access the local features of SETU ATA211.
•
Select
Gateway,
if you want to use the supplementary features of SETU ATA211 primarily. In the
Gateway mode, you will also be able to access the supplementary services of the service provider
which required the dialing of Flash. See “Supplementary Services of Service Provider”.
4.
Select the appropriate
CLI Type
according to the CLI Type supported by the telephone instrument
connected to the FXS port.
SETU ATA211 supports 3 signaling protocols for CLI on the FXS port:
•
DTMF
•
FSK-BellCore
•
FSK-ITU V.23
Default: FSK-ITU V.23
5.
Configure the
Flash Timer
, as per your requirement. The Flash timer signifies the time period for which the
loop current breaks. SETU ATA211 uses this event to activate various features such as Call Hold, Call
Transfer, etc. Default: 600 msec.
6.
To improve quality of speech, keep the
Echo Cancellation
5
check box enabled. Default: Enabled.
Also define the
Tail Length
depending on the length of the echo.
Valid Range: 8 msec to 32 msec.
Default: 32 msec.
7.
Select the appropriate
AC Impedance
according to the AC Impedance supported by the device connected
to the FXS port of SETU ATA211. The device may be a phone or a PBX. You may select from the following
impedance options:
•
600
:
•
900
:
•
270
:
+ (750
:
|| 150 nF)
•
220
:
+ (820
:
|| 115 nF)
•
370
:
+ (620
:
|| 310 nF)
•
320
:
+ (1050
:
|| 230 nF)
•
350
:
+ (1000
:
|| 210 nF)
•
200
:
+ (680
:
|| 100 nF)
•
Default = 600
:
5. Echo Cancellation is a technique that allows isolation and filtering of unwanted signals caused by echoes during speech.
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