Manual

PSTN Fallback Enhancement
call fallback reject-cause-code
13
Cisco IOS Release 12.2(2)XA
Examples The following example enables the call fallback reject-cause-code command and specifies cause code
34:
Router(config)# call fallback reject-cause-code 34
Related Commands
100 Invalid information element
contents
Indicates that the equipment that is sending this
cause has received an information element that it
has implemented; however, one or more fields in
the information element are coded in a way that has
not been implemented by the equipment that is
sending this cause.
101 Message not compatible with
call state
Indicates that a message has been received that is
incompatible with the call state.
102 Recovery on timer expired Indicates that a procedure has been initiated by the
expiration of a timer in association with
error-handling procedures.
103 Parameter non-existent or not
implemented - passed on
Indicates that the equipment that is sending this
cause has received a message that includes
parameters not recognized because the parameters
are not defined or are defined but not implemented
by the equipment that is sending the cause. The
cause indicates that the parameters were ignored. In
addition, if the equipment that is sending this cause
is an intermediate point, this cause indicates that
the parameters were passed on unchanged.
110 Message with unrecognized
parameter discarded
Indicates that the equipment that is sending this
cause has discarded a received message that
includes a parameter that is not recognized.
111 Protocol error, unspecified Reports a protocol error event only when no other
cause in the protocol error class applies.
127 Interworking, unspecified Indicates that there has been interworking with a
network that does not provide causes for actions it
takes. Thus, the precise cause for a message that is
being sent cannot be ascertained.
Table 1 ITU Cause Codes, Messages, and Meanings (continued)
Cause Code Displayed Message Meaning
Command Description
call fallback cache-size Specifies the call fallback cache size for network traffic
probe entries.
call fallback cache-timeout Specifies the time after which the cache entries of
network conditions are purged.
call fallback instantaneous-value-weight Specifies that the call fallback subsystem take an average
from the last two cache entries for call requests.
call fallback jitter-probe num-packets Specifies the number of packets in a jitter probe used to
determine network conditions.