NEC manual NDA-24233 Issue C-3

VisuaLink 128/384 Engineering GuideAppendix C

Table C: ISDN Q.931 Cause Code Definitions

Code	Meaning	Explanation
901	No response from the remote terminal	Automatic dialer has timed out. Please check number and try again.
903	Network failure	Layer 1 failure. Verify physical network connection.
904	Network failure	Layer 2 failure. Verify the pin out between the CODEC and the
		network termination device is correct.
905	Network Failure or wrong contact	TEI error. If failure continues contact your carrier.
906	Network Contact	Layer 3 (caller timer timed out). Try again.
907	Disconnected by initialization	Negotiation between switch and CODEC has failed. Power the unit
		off and on again.
908	Disconnected by initialization	Negotiation between switch and CODEC has failed. Power the unit
		off and on again.
912	Disconnected by initialization	Software processing other task. Power the unit off and on again.
913	Disconnected by initialization	Software processing other task. Power the unit off and on again.
914	Network failure	Lower layer negation has failed. Try again. If problem continues
		contact your carrier.
915	Network failure	Lower layer negation has failed. Try again. If problem continues
		contact your carrier.
916	The provisioned communication timer	Call condition is No Good. Please check number and try again.
	expired
917	Running Network Initialize Procedure	Layer 3 initialization has not completed. Wait a few minutes and try
		again.
918	Incorrect registered SPID numbers	Check SPID registration.
919	A connection could not be made	CES pointing error. Wait a few seconds and try again. If problem
		continues contact your carrier.
980	Disconnected	VCE (Video Chip has hung up). Reset the unit and try again.

NDA-24233 Issue 2 Page C-3