Cisco Catalyst 2960 Series

12.312.212.112.011.311.211.111.0DescriptionCause
Codes
yesnononononononoThe
supplementary
service
requested
by the user
cannot be
provided
by the
network.
This code
applies to
ISDN or
modem
calls that
have come
in over
ISDN.
1869 -
Q850
Facility
Not
Implemented
yesnononononononoThe
equipment
that is
sending
this code
has
received a
message
having a
call
reference
that is not
currently in
use on the
user-network
interface.
This code
applies to
ISDN or
modem
calls that
have come
in over
ISDN.
1881 -
Q850
Invalid Call
Reference
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
871
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