Clear Service Signals

All clear service signals are of the following format:

clr [cause code and meaning of cause code] <diagnostic code>

Cause code	Decimal code	Hexa- decimal code	Meaning	Explanation and action
[der]	09	09	Out of order	The network is down. Report this condition to your Network Administrator.
[dte]	00	00	DTE originated	Your call was cleared by the destination or not completed. Try the call again.
[err]	19	13	Local procedure error	Your call was cleared or could not be completed due to communication problems between the local PAD and the network. Try the call again, and check with your Network Administrator about possible X.25 problems.
[inc]	33	21	Incompatible destination	The destination address within your call request is in an incompatible format. Contact your Network Administrator.
[inv]	03	03	Invalid facility	Your call was cleared because a facility you requested (e.g., reverse charging) is not supported by the network. Check with your Network Administrator for a list of available facilities.
[na]	11	0B	Access barred	Your call was cleared because you placed it to a restricted or invalid number. Check the number and try the call again; contact your Network Administrator if the problem persists.
[nc]	05	05	Network congestion	Your call was cleared because all available routes to the destination are busy. Try the call again later.
[nfs]	41	29	Fast select acceptance not subscribed	Your call was cleared because the destination does not subscribe to the fast select acceptance facility. Try the call again without fast select, or ask your Network Administrator to arrange for the destination to accept fast select calls.
[np]	13	0D	Not obtainable	Your call specified an incorrect address. Check the address and try the call again.
[occ]	01	01	Number busy	Your call was cleared because the destination number is busy. Try the call again later.
[pad]			PAD clearing	The destination requested, via an "invitation to clear" message, that the local PAD clear your call. Try the call again; contact your Network Administrator if the problem persists.
[rna]	25	19	Reverse charging acceptance not subscribed	Your call was cleared because the destination does not subscribe to the reverse charging acceptance facility. Try your call again without reverse charging, or ask your Network Administrator to arrange for the destination to accept reverse charging calls.
[rp]	21	15	RPOA out of order	The call was cleared because the RPOA you specified is out of order. Try the call again later.
[rpe]	17	11	Remote procedure error	Your call was cleared or could not be completed due to communication problems between the remote PAD and the network. Try the call again, and check with your Network Administrator about possible X.25 problems.