Yeastar Technology S20 Administrator's Guide

S-Series IP PBX Administrator Guide
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Max Flash Detection
Set the maximum amount of time, in milliseconds, that a hook
flash must remain depressed in order for the system to consider it
as a valid flash event. The default is 1000 ms.
Echo Cancellation
Enable or disable echo cancellation on the FXS port.
Rx Volume
The volume of the voice sent from the analog phone to the FXS
port of PBX. Set the value from 5% to 100% or choose Custom to
define the RX gain below.
Rx Gain
The gain of the voice sent from the analog phone to the FXS port
of PBX. (Unit: db).
The valid range is -30db to 6.0db.
Tx Volume
The volume of the voice sent from the FXS port of PBX to the
analog phone. Set the value from 5% to 100% or choose Custom
to define the TX gain below.
Tx Gain
The gain of the voice sent from the FXS port of PBX to the analog
phone. (Unit: db)
The valid range is -30db to 6.0db.
 Call Permission
Choose the outbound routes the user is allowed to use.
Figure 4-2 Call Permission

Yeastar Technology S20 Specifications

General

Brand	Yeastar Technology
Model	S20
Category	PBX
Language	English