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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 14 General Troubleshooting
Protocol Troubleshooting
Trunk Static State Is Set to Remote Block
Perform the following steps if trunk static state is set to remote block (RBLK).
Note
If the trunk static state is set to RBLK, and isdn-tg-profile has isdn-farend-init=Y then the PBX must
start the initialization procedure, or the PBX specifically sends a service message with SERVICE-OOS
mode to the BTS 10200 to put the trunks into the remote out-of-state mode.
Step 1
Verify that the initialization procedure (ISDN-FAREND-Initialize (INIT) token), as depicted by
associated isdn-tg-profile in the BTS 10200, and as used by the PBX, is in sync.
Step 2
Using the CLI command “control trunk-termination” to reset the RBLK state, perform a control
trunk-termination to OOS, then control trunk-termination to INS—in case there is an error on the PBX
side. Also, set the isdn-service-supp token in the ISDN trunk group profile per the procedures supported
by the PBX.
Termination Status Is Faulty
The
TERM_STATUS_FAULTY message
indicates an MGCP problem.
Things to Check:
•
Is the media gateway (MGW) profile set up for the trunk?
•
Is the MGW in the in-service operational state?
Perform the “no mgcp, mgcp” commands on the gateway if an MGCP problem is indicated.
Cannot Make a Call
If you have a problem making a call, perform the following Things to Check, and then go to the
“Checking Media Gateway Provisioning” section on page 14-38
Things to Check:
When terminations are added, they have strings like S0/DS1-2/1. The S# refers to the slot number. The
DS1-# refers to the port number. The /# at the end refers to the specific B channel (1–23). The slot and
port numbers must match the dchan values (dchan-slot, dchan-port) for the related trunk group ID
(tgn-ID), assuming that the DS0 is on a T1 that contains a D channel.