User`s guide

188 XSR User’s Guide
ISDN Features Chapter 9
Configuring Integrated Services Digital Network (ISDN)
 1 or 2 port BRI-S/T NIM card.
 1 or 2 port BRI U NIM card.
BRI Features
 Circuit Mode Data (CMD): Channels (DS0s or B’s)are switched by the
CO to the destination user for the duration of the call.
– 0utgoing calls supported for Backup, DoD/BoD.
– Incoming calls routed to the correct protocol stack based on
called number/sub-address and calling number/sub-address.
 Permanent B channel support, i.e., 56, 64, 112, 128, or 144 Kbps lease
line. Each BRI port can be configured for CMD or Leased-Line mode
of operation.
 Supported switches: Net3 (ETSI) for international applications, NI1
and DMS100 for North American applications and NTT for Japan.
 TEI auto-negotiated.
 Q.921/Q.931 (Layer 2/Layer 3) configuration is set automatically by
selection of switch type.
PRI Features
 Circuit Mode Data (CMD): Channels (DS0s or B’s) are switched by
the CO to the destination user for the duration of the call.
– Outgoing calls supported for Backup, DoD/BoD.
– Incoming calls routed to the correct protocol stack based on
called number/sub-address and calling number/sub-address.
 Supported switches: Net5 (ETSI) for international applications; NI2,
5ESS, and DMS100 for North American applications; and NTT for
Japan.
 Handling restart and maintenance modes automatically set.
 Fixed TEI to 0.
 Q921/Q931 (Layer 2/Layer 3) configuration is set automatically by
the selection of the switch type.