Cisco Systems H.323/SIP Manual De Usuario
4-6
Administrator Guide for Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1
OL-6571-02
Chapter 4 Troubleshooting Cisco Unified MeetingPlace H.323/SIP IP Gateway Software Release 5.2.1
Troubleshooting Caller Connectivity
Checking the Cisco Unified MeetingPlace H.323/SIP IP Gateway Software
Release 5.2.1 When IP Calls Connect But No Audio Is Heard
Release 5.2.1 When IP Calls Connect But No Audio Is Heard
Step 1
Open the Cisco Unified MeetingPlace Gateway SIM eventlog and verify that the following log entries
have the correct IP address of the IP MA-16 blade:
have the correct IP address of the IP MA-16 blade:
MP RTP info. IP=10.10.10.1 Port=5010
MP RTCP info. IP=10.10.10.2 Port=5011
Step 2
From the Cisco Unified MeetingPlace Gateway SIM eventlog, verify that the following log entries have
the correct IP address of the IP phone:
the correct IP address of the IP phone:
Remote RTP info. IP=10.10.10.3 Port=6510
Remote RTCP info. IP=10.10.10.4 Port=6511
Step 3
Ping the IP addresses of all MA-16 blades and of the IP phone.
Checking the Cisco IP Phone When IP Calls Connect But No Audio Is Heard
Step 1
Press the blue i button quickly twice.
Step 2
Verify that the phone is receiving and sending packets.
Step 3
Verify that the expected codec has been negotiated.
Unable to Dial Out on IP Ports
Possible Cause—Dialing out may be prevented because of information that is in the translation table.
Corrective Action—Verify that the table contains the necessary numbering plans to allow for dialing
out.
out.
Note
In a mixed IP-PSTN environment, the translation table must contain numbering plans for each type of
call.
call.