AudioCodes Mediant 500 E-SBC, User Manual

Page: 830 / 920

User's Manual 830 Document #: LTRT-10437
Mediant 500 E-SBC
Parameter Description
calling equipment is not ISDN.
NFAS Parameters
Note: These parameters are applicable to PRI interfaces.
Web: NFAS Group Number
EMS: Group Number
CLI: isdn-nfas-group-number
[NFASGroupNumber_x]
Defines the ISDN Non-Facility Associated Signaling (NFAS)
group number (NFAS member), per trunk.

[0] = (Default) Non-NFAS trunk.

[1] to [12] = NFAS group number.
Trunks that belong to the same NFAS group have the same
number. With NFAS, you can use a single D-channel to
control multiple PRI interfaces.
Notes:

For this parameter to take effect, a device reset is
required.

This parameter is applicable only to T1 ISDN protocols.

The x in the ini file parameter name denotes the trunk
number, where 0 is Trunk 1.

For more information on NFAS, see ''ISDN Non-Facility
Associated Signaling (NFAS)'' on page
345 .
Web/EMS: D-channel Configuration
CLI: isdn-nfas-dchannel-type
[DChConfig_x]
Defines primary, backup (optional), and B-channels only, per
trunk.

[0] PRIMARY= (Default) Primary Trunk - contains a D-
channel that is used for signaling.

[1] BACKUP = Backup Trunk - contains a backup D-
channel that is used if the primary D-channel fails.

[2] NFAS = NFAS Trunk - contains only 24 B-channels,
without a signaling D-channel.
Notes:

This parameter is applicable only to T1 ISDN protocols.

The x in the ini file parameter name denotes the trunk
number, where 0 is Trunk 1.
Web: NFAS Interface ID
EMS: ISDN NFAS Interface ID
CLI: isdn-nfas-interface-id
[ISDNNFASInterfaceID_x]
Defines a different Interface ID per T1 trunk.
The valid range is 0 to 100. The default interface ID equals
the trunk's ID.
Notes:

To set the NFAS interface ID, configure ISDNIBehavior_x
to include '512' feature per T1 trunk.

The x in the ini file parameter name denotes the trunk
number, where 0 is Trunk 1.

For more information on NFAS, see ''ISDN Non-Facility
Associated Signaling (NFAS)'' on page
345 .
ISDN Flexible Behavior Parameters
ISDN protocol is implemented in different switches/PBXs by different vendors. Several
implementations may vary slightly from the specification. Therefore, to provide a flexible interface that
supports these ISDN variants, the ISDN behavior parameters can be used.
Web/EMS: Incoming Calls Behavior
CLI: isdn-bits-incoming-calls-behavior
[ISDNInCallsBehavior]
Determines the bit-field used to determine several behavior
options that influence how the ISDN Stack INCOMING calls
behave.

[32] DATA CONN RS = The device automatically sends
a Q.931 Connect (answer) message on incoming Tel