Руководство По Обслуживанию для Cisco Cisco Unified MeetingPlace Audio Server
C H A P T E R
6-1
Cisco MeetingPlace Audio Server 5.2 for Cisco MeetingPlace 8106 Customer Engineering Guide
78-16411-01
6
Troubleshooting
This chapter contains the following troubleshooting topics:
•
system does not answer (see the
•
cannot outdial (see the
)
•
LAN connectivity (see the
)
•
general (see the
For details on troubleshooting the various MeetingPlace gateways, refer to the specific gateway’s system
manager’s guide.
manager’s guide.
System does not answer
Troubleshooting this problem differs for the T1, E1, and IP ports.
T1 ports that do not answer
The troubleshooting technique for T1 CAS and T1 PRI is the same. Follow the procedure below for both
types of configuration.
types of configuration.
Step 1
Verify that the span is up using the “spanstat” command. See the
for
more information. If the T1 trunks show no alarms:
a.
Use “spanstat -ab” to verify that calls are being presented to the system. The AB bits change state
when a caller dials into the system.
when a caller dials into the system.
b.
The PBX/Telco routing may not be set up correctly or trunks may be in a lockout state.
Step 2
Look for errors on the span using the “spanstat -s” command.
Step 3
Verify correct cabling (frequently reversed):
•
pin 1 — MP Receive (tip), pin 2 — MP Receive (ring)
•
pin 4 — MP Send (tip), pin 5 — MP Send (ring)
Step 4
Verify the configuration with the “span” command. See the
for more
information.
Step 5
Check the framing (ESF vs. D4) and coding (B8ZS vs. jammed bit).