Specifications

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Title Explanation
Hook debouncing Used by gateway to avoid the glitch of the phone status, with default of
50 milliseconds.
When the duration from hang-up to off-hook falls short of this value, the
gateway will ignore the status variation, and consider the phone remains
hang-up status. In case of vice versa, the gateway will ignore the status
variation, and consider the phone remains off hook status. Effective
range of setting is 10~1000 milliseconds.
Ring frequency Set the ringing frequency to be transmitted by gateway to the phone,
ranging from 15 to 50 Hz, with default of 20 Hz.
Caller release Set the delay release time of line as caller control method, with default of
60 seconds. Effective range of setting is 15~180 seconds.
Outpulsing delay Used when gateways’ FXS port is connected with the trunk interface of
PBXs. For calls from gateway to PBX, gateways will relay the
extensions to PBX after the delay set here. Setting of “0” means no
extension number relay.The default is 0 millisecond.
Polarity reversal Set the trigger for polarity reversal the default is “Outgoing”.
l Outgoing:Transmit reverse polarity signal only when the outbound is
connected;
l Bi-direction: Transmit reverse polarity signal for the connection of
both inbound and out bound calls.
Polarity reversal
delay
The delay time from call being answereed to the transmission of reverse
polarity signa. The default value is 3 in seconds. Effective range of
setting is 0 ~ 30 seconds.
Call ID transmit Select transmission mode of Caller ID signal from the FXS port to the
phone.
l FSK or DTMF;
l SDMF or MDMF;
l Sending Caller ID data before or after ringing;
l Sending Caller ID data with or without parity.
Music on hold Choose whether to play the background music while call waiting, and
the default is not to play.
Call waiting with
hunt group
Choose whether to activate hunt group feature for call waiting, Default
not selected.
Message waiting
light
Choose the lighting method of message waiting indicator of voice mail
here: None, Polarity reversed, FSK. Message waiting indicator refers to
the special LED on a phone, working with voice mail function. When
user gets the latest mail, the gateway will light this lamp upon receiving
the notice from platform; the light goes off when the user well received
all the mail. It’s essential to understand whether the phone supports the
indicators and lighting method when selecting the lighting method.
2.6.5 Characteristics of trunk line
After login, click the label of “Advanced > trunk” to open this interface.