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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 15 Diagnostic Tests
ISDN Network Loopback Test
NCT Line Loopback Test over an ISDN Trunk with Service Affecting Turned Off and Parallel Test Connection Support Turned On:
Call from Subscriber under Test
This section provides example steps to use the NTE NCT line test over an ISDN trunk with service
affecting turned on and parallel test connection support turned on; call is from the subscriber under test.
Then:
1.
From the test equipment, dial the NTE NLB line test call (552+xxx-xxx-xxxx). The BCM does not
notify the Feature Server of this call and the call is looped back.
2.
Take the subscriber under test off-hook. There is a dial tone.
3.
Call the subscriber under test from another subscriber. Call is set up, and the test call is still active.
4.
Hang up the test call and verify the Billing call type.
Perform the Following Command or Action:
Purpose
Step 1
add destination dest-id=nlb-line-test;
call-type=test-call; call-subtype=nct-line-test;
Provision the Destination table.
Step 2
add dial plan id=<xxx>; digit-string=552;
dest-id=nlb-line-test; split-npa=none;
del-digits=0; min-digits=13; max-digits=13;
noa=national;
Note
Where <xxx> is an existing dial plan. The dial
plan id must match to the LB test prefix (for
example 552) in the digit string.
Provision the Dial Plan table. The digit-string plus the
min-digits and max-digits total depends on the settings
configured (if any) in the
section.
Step 3
add ca-config type=nlb-test-service-affecting=n;
datatype=boolean;value=n;
Provision the Call Agent Configuration table with
service affecting off.
Step 4
change mgw-profile id=isdnNLB;
parallel-test-conn-supp=y;
Turn on support parallel test connection in the Media
Gateway Profile table.