# NetworkInterface.T1E1[x].ISDN.NFASGroup

Specifies the NFAS group number.

#### Syntax

NetworkIInterface.T1E1[x].ISDN.NFASGroup = groupnum

x = 0-(n-1) (0-based trunk number or range of trunk numbers where n equals the number of trunks on the board.)

#### Access

Read/Write

#### Type

Integer

#### Default

For every NFAS group, this keyword must be set in the board keyword file of the board where the D channel resides.

#### Allowed values

0 - 255

#### Example

NetworkInterface.T1E1[7].ISDN.NFASGroup = 0

#### Details

If NetworkInterface.T1E1[x].D_Channel is set to ISDN and NetworkInterface.T1E1[x].ISDN.NFASGroup is not specified, this trunk runs ISDN, but is not part of an NFAS group.

This keyword is valid only on a trunk where NetworkInterface.T1E1[x].D_Channel = ISDN.

For information about NFAS groups, refer to the Dialogic® NaturalAccess™ ISDN Software Installation Manual.

#### See also

NetworkInterface.T1E1[x].ISDN.D_Channel_Backup_Trunk, NetworkInterface.T1E1[x].ISDN.NFAS_Member[y].Board, NetworkInterface.T1E1[x].ISDN.NFAS_Member[y].NAI, NetworkInterface.T1E1[x].ISDN.NFAS_Member[y].Trunk