Polycom 2000/4000 manual Isdn Disconnection Causes, Disconnection Cause Number Summary Description

Appendix A-Disconnection Causes

ISDN Disconnection Causes

Table A-2ISDN Disconnection Causes

Disconnection Cause

Number Summary Description

1Unallocated No route to the number exists in the ISDN

(unassigned network or the number was not found in the

	number)	routing table.
		• Ensure that the number appears in the
		routing table.
		• Ensure that it is a valid number and that
		correct digits were dialed.
2	No route to	The route specified (transit network) between
	specified transit	the two networks does not exist.
	network
	(national use)
3	No route to	No physical route to the destination number
	destination	exists although the dialed number is in the
		routing plan.
		• The PRI D-Channel is malfunctioning.
		• Incorrect connection of the span or WAN.
4	Send special	Return the special information tone to the
	information tone	calling party indicating that the called user
		cannot be reached.
5	Misdialed trunk	A trunk prefix has erroneously been included in
	prefix (national	the called user number.
	use)
6	Channel	The sending entity in the call does not accept
	Unacceptable	the channel most recently identified.
7	Call awarded	The incoming call is being connected to a
	and being	channel previously established for similar calls.
	delivered in an
	Established
	channel

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