Dependent on standard phone type (and location)
Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT, & NTT Japan
Default is No. If set to “Yes”, polarity will be reversed upon call establishment
and termination.
Default is No. Set it to Yes if the traditional PBX you are using with HT502 uses
this method for signaling call termination. Method initiates short voltage drop on
the line when remote (VoIP) side disconnects an active call.
Play busy/reorder
tone before Loop
Current Disconnect
Default is No. If set to Yes, it will play busy/reorder tone before loop current
disconnect upon call fail.
Loop Current
Disconnect Duration
Here can be configured duration of such voltage drop described in topic above.
Default is Yes. If set to “No”, FLASH button could only be used for terminating
calls.
Time period when the cradle is pressed (Hook Flash) to simulate FLASH. To
prevent unwanted activation of the Flash/Hold and automatic phone ring-back,
adjust this time value.
On-hook timing is the minimum time for an on-hook event to be validated.
Voice path volume adjustment.
• Rx is a gain level for signals transmitted by FXS
• Tx is a gain level for signals received by FXS.
Default = 0dB for both parameters. Loudest volume: +6dB Lowest volume:
-6dB.
User can adjust volume of call on either end using the Rx Gain Level parameter
and the Tx Gain Level parameter located on the FXS Port Configuration page.