Patton electronic SmartNode 4110 Series ユーザーズマニュアル

Debugging call signaling

SmartWare Software Configuration Guide 

ISDN port status using the 

 command, and the 

 commands (see 

below).

•

Because the ALERTING is indication enough that the signaling is working, we drop the call from the com-
mand line: 

•

The interface then sends a DISCONNECT message to the line, and the PSTN answers with a RELEASE 
COMPLETE

Verify ISDN layer 2 and 3 status
ISDN layer 2 and 3 can be verified using a 

command:

node(cfg)#show port isdn 0 2 status

Logical Isdn Driver: 0 0

========================

  Slot:                                 0

  Number of Ports:                      5

  Statistics

  ----------

    Leased buffers:                     24

    Max. leased buffers:                34

    Next Call Key:                      0

  Logical Port: 0 0 2

  -------------------

    Admin State:                        Open

    Real State:                         Open

    Operating Layer:                    3

      Link State:                       up

    Layer 2

      Permanent Layer 2:                off

      Protocol:                         PointToMultiPoint

      UniSide:                          Net

    Layer 3

      Protocol:                         Dss1

      UniSide:                          Net

      MinChannel:                       0

      MaxChannel:                       1

      MaxCalls:                         2

      Hunt Mode:                        Ascending

      Signalling Mode:                  Etsi

The line “link state: up” tells you that layer 1 is up. To debug the layers 2-3 state machines, use the command