Checking Cisco Unified Callmanager When Ip Ports Do Not Answer; Is Heard; Calls Connect But No Audio Is Heard; Checking The Cisco Unified Meetingplace Audio Server System When Ip Calls Connect But No Audio Is Heard - Cisco Unified MeetingPlace H.323/SIP Administrator's Manual

Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1
Verify that soft phones are not running on the gateway.
Step 6
If Cisco Unified MeetingPlace Web Conferencing is on the same server as Release 5.2.1, make sure that
Step 7
they are each assigned different IP addresses.

Checking Cisco Unified CallManager When IP Ports Do Not Answer

Verify that an H.323 gateway has been created for the IP-gateway server and that a route pattern has
Step 1
been assigned to it.
Verify that the Cisco Unified CallManager server can ping the IP-gateway server and vice versa.
Step 2
Checking the Cisco Unified MeetingPlace Audio Server System When IP Calls
Connect But No Audio Is Heard
Check that the Ethernet switch port or any other network devices to which the MA-16 connects directly
Step 1
is set to fixed 100Base-TX Full Duplex.
Verify that the subnet mask address is correct by entering the blade command. If it is not correct,
Step 2
Cisco Unified MeetingPlace Audio Server system will not be able to send voice packets to the phone.
Restart the Cisco Unified MeetingPlace Audio Server system for any changes to take effect.
At the tech$ prompt, enter tvportstat -all.
Step 3
While monitoring the output, make a test call to verify that the IP call is seen by the Cisco Unified
Step 4
MeetingPlace Audio Server system.
At the tech$ prompt, enter cptrace -T 5.
Step 5
While monitoring the output of the trace command, make a test call to verify that the IP call is seen by
Step 6
the Cisco Unified MeetingPlace Audio Server system.
At the tech$ prompt, enter tvportstat number, where number is the port number that you used in
Step 7
Look for the
Step 8
to the Cisco Unified MeetingPlace Audio Server system.
If the message is present, there is a one-way connection.
OL-6571-02
RTCP packets sent by far end
Administrator Guide for Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1
Troubleshooting Caller Connectivity
message to verify that the phone is transmitting voice data
Step 6.
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