Facility Enable
If selected, the transmission of facility-based ISDN supplementary services (such as caller name from CPE over facility)
be enabled.
SETUP ACK
When receiving a remote “SETUP” SIP message, and the “Sending Complete” field is not included in it, the gateway wil
a “SETUP ACK” to request more information. This option should be used if a remote device has “SETUP ACK” support
issues.
Overlap Dial
Configure this option to send overlap digits. If enabled, the SETUP message can include some digits of the callee number
the rest of the digits can be sent using the INFORMATION message. If disabled, the callee number will be sent via SETU
message when all the digits are ready.
NSF
Some switches (AT&T especially) require network-specific facilities. Currently the supported values are “none”, “sdn”,
“megacom”, “tollfreemegacom”.
PROGRESS
If enabled, GXW450x can send a signaling message to the calling party indicating that the call is still in progress and that
called party has not yet answered. This can be helpful in situations where the call setup time is longer than expected, or w
there may be delays in the network.
If disabled, the pri incoming calls to GXW450x converts the PROGRESS message into ALERTING message and send it
PRI trunk. This option is used to determine whether the peer supports the PROGRAMS message. Enabled By Default.
Basic Settings
Clock
All E1/T1/J1 spans generate a clock signal on their transmit side. The parameter determines whether the clock signal from
far end of the E1/T1/J1 is used as the master source of clock timing. If the far end is used as the master, the gateway syste
clock will synchronize to it.
Master: The port will never be used as a source of timing. This is appropriate when you know the far end should always
slave to you.
Slave: The equipment at the far end of the E1/T1 link is the preferred source of the master clock.
Signaling
Chooses the signaling protocol that will be used on the digital port, the available options are : PRI_NET, PRI_CPE, SS7,
MFC/R2
PRI: when one end is set to NET, the other end should be set to CPE.
Data channel
The Data channel for control. Specifies the channel to use for data connections when PRI_NET or PRI_CPE is chosen as
signaling protocol. While, the first dropdown list specifies the E1/T1 port to use, and the second specifies the channel to u
for data connections when SS7 is chosen.
The user can group multiple E1 lines with a single data channel.
SS7 Variant Select ITU, ANSI, or CHINA.
Originating Point Code
Originating point code is used to identify the node originating the message, always provided by the operator/ISP.
ITU Format: decimal number.
ANSI & CHINA Format: decimal number or XXX-XXX-XXX.
Destination Point Code
The destination point code is the address to send the message to, always provided by the operator/ISP.
ITU Format: decimal number.
ANSI & CHINA Format: decimal number or XXX-XXX-XXX.
First CIC
When Span Type is E1, ITU & CHINA Range: [0, 4065], ANSI Range: [0, 16353].
When Span Type is T1/J1, ITU & CHINA Range: [0, 4072], ANSI Range: [0, 16360].
Assign CIC To D-channel If set to yes, D-channel will be assigned a CIC. Else, D-channel will not be assigned. By default, it is set to No.
Network Indicator
Network Indicator (NI) should match in nodes, otherwise, it might cause issues. Users can select “National”, “National Sp
“International”, or “International Spare”. Usually, “National” or “International” is used.
LBO
The line build-out (LBO) is the distance between the operators and the gateway. Please use the default value of 0dB unles
distance is long.
Coding T1:”AMI” or “B8ZS” And E1:”AMI” or “HDB3”
RX Gain Configure the RX gain for the receiving channel of the digital port. The valid range is from -24dB to +12dB.
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