Enterasys Networks CSX6000, CSX5500, CSX7000 manual Cause Codes Table

CAUSE CODES TABLE

The following table provides Q.931 cause codes and their corresponding meanings. Cause codes may appear in Call Trace Messages.

Dec Value	Hex Value	Q.931 Cause
0	0	valid cause code not yet received
1	1	unallocated (unassigned number)
		Indicates that, although the ISDN number was presented in a valid
		format, it is not currently assigned to any destination equipment.
2	2	no route to specified transit network (WAN)
		Indicates that the ISDN exchange was asked to route the call through
		an intermediate network that is unrecognized.
3	3	no route to destination
		Indicates that the call was actually routed through a network that
		does not serve the destination address.
4	4	send special information tone
5	5	misdialed trunk prefix
6	6	channel unacceptable
		Indicates that the quality of service provided by the specified
		channel was insufficient to accept the connection.
7	7	call awarded and being delivered in an established channel
		Indicates that the device has been awarded an incoming call and that
		the call is being connected to a channel that has already been
		established for similar calls.
8	8	prefix 0 dialed but not allowed
9	9	prefix 1 dialed but not allowed
10	A	prefix 1 dialed but not required
11	B	more digits received than allowed, call is proceeding
16	10	normal call clearing or normal disconnect
		Reports the normal clearing of a call. No action required.
17	11	device busy
		Indicates that the called system has acknowledged the connection
		request, but is unable to accept the call because the B-channels are
		currently in use.
18	12	no device responding
		Indicates that the connection could not be completed because the
		destination failed to respond to the call.