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Global Call IP Technology Guide — November 2007 577
Dialogic Corporation
IP-Specific Event Cause Codes
IPEC_H2250ReasonUnreachableGatekeeper (0x7d6, 2006 decimal)
Maps to Q.931/Q.850 cause 38 - Network out of order; indicates that the network is not
functioning correctly and that the condition is likely to last a relatively long period of time, for
example, immediately re-attempting the call is not likely to be successful.
IPEC_H2250ReasonGatewayResource (0x7d7, 2007 decimal)
Maps to Q.931/Q.850 cause 42 - Switching equipment congestion; indicates that the switching
equipment generating this cause is experiencing a period of high traffic.
IPEC_H2250ReasonBadFormatAddress (0x7d8, 2008 decimal)
Maps to Q.931/Q.850 cause 28 - Invalid number format; indicates that the called party cannot
be reached because the called party number is not in a valid format or is incomplete.
IPEC_H2250ReasonAdaptiveBusy (0x7d9, 2009 decimal)
Maps to Q.931/Q.850 cause 41 - Temporary failure; indicates that the network is not
functioning correctly and that the condition is not likely to last for a long period of time, for
example, the user may wish to try another call attempt almost immediately.
IPEC_H2250ReasonInConf (0x7da, 2010 decimal)
Maps to Q.931/Q.850 cause 17 - User busy; used to indicate that the called party is unable to
accept another call because the user busy condition has been encountered. This cause value
may be generated by the called user or by the network.
IPEC_H2250ReasonUndefinedReason (0x7db, 2011 decimal)
Maps to Q.931/Q.850 cause 31 - Normal, unspecified; Normal, unspecified; used to report a
normal event only when no other cause in the normal class applies.
IPEC_H2250ReasonFacilityCallDeflection (0x7dc, 2012 decimal)
Maps to Q.931/Q.850 cause 16 - Normal call clearing - indicates that the call is being cleared
because one of the users involved in the call has requested that the call be cleared.
IPEC_H2250ReasonSecurityDenied (0x7dd, 2013 decimal)
Maps to Q.931/Q.850 cause 31 - Normal, unspecified; Normal, unspecified; used to report a
normal event only when no other cause in the normal class applies.
IPEC_H2250ReasonCalledPartyNotRegistered (0x7de, 2014 decimal)
Maps to Q.931/Q.850 cause 20 - Subscriber absent; used when a mobile station has logged off,
radio contact is not obtained with a mobile station or if a personal telecommunication user is
temporarily not addressable at any user-network interface.
IPEC_H2250ReasonCallerNotRegistered (0x7df, 2015 decimal)
Maps to Q.931/Q.850 cause 31 - Normal, unspecified; used to report a normal event only when
no other cause in the normal class applies.
Q.931 Cause Codes
IPEC_Q931Cause01UnassignedNumber (0xbb9, 3001 decimal)
Q.931 cause 01 - Unallocated (unassigned) number; indicates that the called party cannot be
reached because. Although the called party number is in a valid format, it is not currently
allocated (assigned).
IPEC_Q931Cause02NoRouteToSpecifiedTransitNetwork (0xbba, 3002 decimal)
Q.931 cause 02 - No route to specified transit network (national use); indicates that the
equipment sending this cause has received a request to route the call through a particular
transit network which it does not recognize. The equipment sending this cause does not