Appendix C

ISDN Clearing Codes

This appendix provides information about the ISDN call clearing codes returned by the network when you use your Model RT328/RH348 router. These codes may vary depending on your service provider.

Clearing Codes

Table C-1 lists the ISDN call clearing codes.

Table C-1.

ISDN Call Clearing Codes

 

 

Reason

Description

 

 

0

Undefined

 

 

1

Unallocated (unassigned number)

 

 

2

No route specified transit network

 

 

3

No route to destination

 

 

4

Channel unacceptable

 

 

6

Channel unacceptable

 

 

7

Call awarded and being delivered in an established

 

channel

16Normal call clearing

17User busy

18No user responding

19No answer from user (user alerted)

21Call rejected

22Number changed

ISDN Clearing Codes

C-1