SIP User's Manual 184 Document #: LTRT-68806
Mediant 2000 & TP-1610 & TP-260/UNI
Table 5-37: E1/T1/J1 Configuration Parameters
ini File Field Name
Web Parameter Name
Valid Range and Description
ISDN Configuration Parameters
ISDN Termination Side
[TerminationSide]
Selects the ISDN termination side. Applicable only to ISDN protocols.
 [0] User side = ISDN User Termination Side (TE) (default)
 [1] Network side = ISDN Network Termination Side (NT)
Note: select 'User side' when the PSTN or PBX side is configured as
'Network side', and vice-versa. If you don't know the gateway ISDN
termination side, choose 'User side' and refer to the 'Status &
Diagnostics > Channel Status' screen. If the D-channel alarm is
indicated, choose 'Network Side'.
NFAS Group Number
[NFASGroupNumber_x]
Indicates the NFAS group number (NFAS member) for the selected
trunk.
'x' identifies the Trunk ID.
 0 = Non NFAS trunk (default)
 1 to 4 = NFAS group number
Trunks that belong to the same NFAS group have the same number.
With ISDN Non-Facility Associated Signaling you can use single D-
channel to control multiple PRI interfaces.
Applicable only to T1 ISDN protocols.
NFAS Interface ID
[ISDNNFASInterfaceID_x]
Defines a different Interface ID for each T1 trunk.
The valid range is 0 to 100. The default interface ID equals to the trunk's
ID.
'x' identifies the trunk ID.
Note: To set the NFAS interface ID, configure ISDNIBehavior_x to
include '512' feature per T1 trunk.
D-channel Configuration
[DChConfig_x]
Defines primary, backup (optional), and B-channels only trunks. 'x'
identifies the Trunk ID.
 [0] PRIMARY= Primary Trunk (default)
 [1] BACKUP = Backup Trunk
 [2] NFAS = NFAS Trunk
Primary trunk contains D-channel that is used for signaling.
Backup trunk contains backup D-channel that is used if the primary D-
channel fails.
The other NFAS trunks contain only 24 B-channels, without a signaling
D-channel.
Note: Applicable only to T1 ISDN protocols.
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