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Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
H-64 Polycom, Inc.
7 Click the SIP Advanced tab.
8 In the ICE Environment field, select MS (for Microsoft ICE implementation) to enable the
ICE integration.
This field is disabled if the MCU is running in MPM Card Configuration Mode.
9 In the Server User Name field, enter the MCU User name as defined in the Active
Directory. For example, enter rmx111.
This field is disabled if the ICE Environment field is set to None.
10 Optional if the Fixed Ports options was selected previously.
Click the Ports tab to modify the number of UDP Ports allocated to the calls to
accommodate the number of ports required for ICE dialing.
11 In the UDP Port Range, modify the number of UDP ports by enter the first and last port
numbers in the range. When ICE environment is enabled, the number of ports defined
in the range should be 2024.
12 Click OK.
The MCU will register with the OCS/Lync Server enabling automatic retrieval of the
STUN server and Relay server parameters for ICE dialing.
These parameters can be viewed in the Signaling Monitor - ICE Servers dialog box.