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ISDN-SGR (ISDN-PRI Signaling Group)
Issue 1 June 2005 1433
Table 515: Descriptions and Recommendations for Error Types 3842-3942
Error
Code
Description Recommendation
3842 A request has been
made to use a transit
network or common
carrier that cannot be
accessed.
1. From the circuit pack or media module and port
number (in the Aux Data field), determine the trunk
group against which the error was reported.
2. Check every routing pattern containing this trunk group
for validity of interexchange carriers requested (IXC
field).
3843 No route to destination.
Request received to
route call through a
transit network that is
recognized but not
allowed to carry the call
or not able to serve the
destination.
3846 The far-end switch has
indicated that the B
channel (trunk) is not
acceptable for use in
the call for which it was
requested.
This could indicate an administration problem (for example,
the local switch and the far-end switch have different
B channels administered), or could reflect the occurrence
of a normal race condition (for example, the local switch
has requested use of a B channel that the far-end switch
had just reserved for use on another call).
1. From the circuit pack or media module and port
number (in the Aux Data field), determine the trunk
group against which the error was reported.
2. Enter status trunk for the indicated trunk. Refer to
the “DS1 ISDN Trunk Service States” and “ISDN-PRI
Trunk Service States” sections of ISDN-TRK for
recovery suggestions.
3858 Similar to Error Type 1.
The switch sent an
ISDN message to the
far-end switch or
terminal adapter that
did not respond in the
allotted time.
Follow same recommendations as for Error Type 1.
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