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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 10 Signaling Troubleshooting
Troubleshooting Signaling Alarms
Session Initiation Protocol Message Receive Failure—Signaling (8)
The Session Initiation Protocol Message Receive Failure alarm (major) indicates that a SIP message
receive has failed. The primary cause of the alarm is that Operating System level network errors have
occurred or the network configuration is invalid. To correct the primary cause of the alarm, have the
network administrator resolve the network errors. Contact Cisco TAC if you need assistance. Manually
clear alarm. Restart this call agent instance using the
platform start
command.
Note
Refer to the
“Obtaining Documentation and Submitting a Service Request” section on page lvi
detailed instructions on contacting Cisco TAC and opening a service request.
Session Initiation Protocol
The SIP Message Receive Failure alarm is issued when SIP messages cannot be received. This could be
due to port conflict (two processes attempting to use the same UDP port). Examine the “HOSTNAME”
field in the alarm report to determine the IP address or domain name of the Call Agent that generated
this alarm. Telnet into this Call Agent instance as a root user. In this Call Agent, configure another UDP
port for the SIA process to avoid port conflict, by setting the SIA port in platform.cfg file to another port
number. Call Cisco TAC if you need assistance. Restart this Call Agent instance using the
platform
start
command.
Timeout on Internet Protocol Address—Signaling (9)
The Timeout on Internet Protocol Address alarm (major) indicates that an IP address has timed out. The
alarm is issued when the OptiCall is unable to communicate with a gateway. To correct the primary
cause of the alarm, verify that the gateway is both configured for service and that it has been set in
service. Attempt to ping the gateway using the IP address from the Event Report. If the ping is not
successful, then diagnose the issue that prevents the address from being reached. Use the Status MGW
ID=xxx, where xxx is the IP address given in the Event Report. If the status is not INS, then use the
control mgw
command to put it in service.
Media Gateway Control Protocol
The Timeout on IP Address alarm is issued when the BTS 10200 is unable to communicate with a
gateway. Verify that the gateway is both configured for service and that it has been set in service.
Attempt to ping the gateway using the IP address from the Event Report. If the ping is not successful,
then diagnose the issue that prevents the address from being reached. Use the Status MGW ID=xxx,
where xxx is the IP address given in the Event Report. If the status is not INS, then use the
control mgw
command to put it in service.
Session Initiation Protocol
The Timeout on IP Address alarm is issued when the Call Agent did not receive SIP response messages
from Call Agent specified in the Event Report. The Call Agent has already taken the
necessary action to
handle this situation by re-sending the SIP messages to the redundant IP address of the remote Call
Agent.