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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
H-70 Polycom, Inc.
Troubleshooting
• At the end of the installation and configuration process, to test the solution and the
integration with the OCS, create an ongoing conference with two participants, one dial-
in and one dial-out and connect them to the conference.
•If the active Alarm “SIP TLS: Registration server not responding” is displayed, stop and
restart the OCS Pool Service.
• If the communication between the OCS and the MCU cannot be established, one of the
possible causes can be that the MCU FQDN name is defined differently in the DNS,
OCS and MCU. The name must be defined identically in all three devices, and defined
as type A in the DNS. The definition of the MCU FQDN name in the DNS can be tested
by pinging it and receiving the MCU signaling IP from the DNS in return.
• The communication between the OCS and the MCU can be checked in the Logger files:
— SIP 401/407 reject messages indicate that the MCU is not configured as Trusted in
the OCS and must be configured accordingly.
— SIP 404 reject indication indicates that the connection to the OCS was established
successfully.
ICE failure:
A/V Edge server
URI cannot be
resolved
Service The MCU failed to resolve
The remote address of
the Edge server URI.
ICE failure: Service
credential denied.
A/V Edge server
credentials rejected
by the OCS.
Service This alarm indicates that
the OCS does not
configure with the.
Generated by the ICE
stack.
Table 9 ICE Environment - MCU Active Alarms
Active Alarm Phase Alarm Displayed When Troubleshooting