TeCHnICal DaTa anD TrOuBle SHOOTInG |
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it has implemented; however one or more field of the information element are coded in such as way (e.g.,
truncated, invalid extension bit, invalid field values, etc) that has not been implemented by the equipment
sending this cause.
Cause No. 101 – Message not compatible with call state/Protocol error threshold
This cause is returned when the equipment sending this cause has received a message that procedures
indicate is not a permissible message to receive at this time.
or
This cause indicates that the switch sending this cause is clearing the call because a threshold has been
exceeded for multiple protocol errors during an active call.
Cause No. 102 - Timeout disconnect (Recovery on timer expiration)
This cause indicates that a procedure has been initiated by the expiry of a timer in association with error
handling procedures.
Cause No. 103 – Parameter non-existent or not implemented – passed on (National use)/ Mandatory
Information Element of incorrect length [VN 4 only]
This cause indicates that the equipment sending this cause has received a message which includes
parameter(s) not recognized because the parameter(s) are not defined of are defined but not implemented
by the equipment sending this cause. This cause indicates that the parameter(s) were ignored. In addition,
if the equipment sending this cause is an intermediate point, then this cause indicates that the parameter(s)
were passed unchanged.
or
This cause indicates that the equipment sending this cause has received a message with a mandatory
information element of incorrect length.
Cause No. 110 – Message with unrecognized parameter discarded [Q.850 only]
This cause indicates that the equipment sending this cause has discarded a received message that includes a
parameter that is not recognized.
Cause No. 111 – Protocol Error, unspecified
This cause is used to report a protocol error event only when no other cause in this class applies. Among
other things, this cause may be displayed if you failed to dial a “9” or “8” for an outside line, if required. Also
may be returned if you have some types of restrictions as to the number of calls, etc.
Cause No. 113 – Bearer service unavailable [VN 4 only]
This cause indicates that the bearer service requested is not available or is unimplemented.
Cause No. 114 – End-to-End Information transfer impossible [VN 4 only]
This cause indicates that the requested network does not support the user end-to-end transfer capability.
CLASS 1.7 (interworking class)
Cause No. 126 – Switch to conversation mode [VN 4 only]
This cause is used to indicate that conversation mode has begun.
Cause No. 127 - SW56 disconnect (Internetworking, unspecified)
This cause indicates that an interworking call (usually a call to SW56 service) has ended. May also be seen
in the case of a non specific rejection by your long distance carrier (try again at a different rate)
