Cisco Cisco IOS Software Release 12.4(6)T
Packet Mode Services on D Channel
How to Enable Packet Mode Services on D Channel Feature
3
Cisco IOS Release 12.4(6)T
of Cisco IOS Release 12.4(6)T software, deployments interworking with the Japanese NTT switch type
can use the Packet Mode Services on D Channel feature to enable sharing of the TEI and avoid
interworking issues.
can use the Packet Mode Services on D Channel feature to enable sharing of the TEI and avoid
interworking issues.
Following are the prerequisites, restrictions, and steps you need to follow on deployments interworking
with the Japanese NTT switch type to enable sharing of the TEI and avoid interworking
incompatibilities. These steps ensure that Q.931 SAPI value 0 procedures are enabled, and that X.25
calls can be accepted correctly on the ISDN D channel.
with the Japanese NTT switch type to enable sharing of the TEI and avoid interworking
incompatibilities. These steps ensure that Q.931 SAPI value 0 procedures are enabled, and that X.25
calls can be accepted correctly on the ISDN D channel.
Prerequisites
Timer T320 must be disabled for this feature to work.
Restrictions
This feature is supported only on incoming calls, and only on BRI interfaces. All outgoing calls use SAPI
value 16 procedures (X.25 on the D channel).
value 16 procedures (X.25 on the D channel).
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
x25 routing
4.
interface type number
5.
isdn switch-type switch-type
6.
isdn x25 dchannel q931-broadcast
DETAILED STEPS
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter your password if prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
x25 routing
Example:
Router(config)# x25 routing
Enables X.25 routing.
Step 4
interface
type number
Example:
Router(config)# interface BRI 0
Enters interface configuration mode and, in this
example, begins configuring ISDN interface BRI 0.
example, begins configuring ISDN interface BRI 0.