Specifications

3-35
Cisco AS5x00 Case Study for Basic IP Modem Services
11/24/1999
Section 3 Commissioning the Cisco AS5800 Hardware
Configuring the Serial Interfaces

Look at the status of the DS0 channels. In this example, 23 DS0s are idle. The 24th channel is
reserved for PRI D-channel signaling.
5800-NAS#show isdn service
PRI Channel Statistics:
ISDN Se1/0/0:4:23, Channel [1-24]
Configured Isdn Interface (dsl) 0
Channel State (0=Idle 1=Propose 2=Busy 3=Reserved 4=Restart 5=Maint_Pend)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
Service State (0=Inservice 1=Maint 2=Outofservice)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
5800-NAS#
Step 3
Test the configuration by sending a plain old telephone service (POTS) call into the Cisco AS5800
network access server (NAS). If the modem answers (you hear modem squelch), the configuration
works. See Figure 3-5.
Figure 3-5 Sending a POTS Telephone Call into a NAS
A different telephone number is associated with each end of the connection.
In Figure 3-5:

The called party number is the dial number identification service (DNIS). It identifies the directory
number assigned to the Cisco AS5800’s PRI trunks. In this case study, the telephone dialed
555-1234.

The calling part number is the automatic identification number (ANI). It identifies the directory
number assigned to the device that initiates the call. In this case study, the telephone line is assigned
444-1234.
POTS
29652
PRI
DNIS
555-1234
NAS receiving
analog call
Telephone
switch
Standard POTS
telephone
ANI
444-1234