Polycom RMX 1500 Administrator's Manual page 810

Polycom RMX 1500/2000/4000 Administrator's Guide
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10 Optional if the Fixed Ports options was selected previously.
11 In the UDP Port Range, modify the number of UDP ports by enter the first and last port
12 Click OK.
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Click the SIP Advanced tab.
In the ICE Environment field, select MS (for Microsoft ICE implementation) to enable the
ICE integration.
This field is disabled if the RMX is running in MPM Card Configuration Mode.
In the Server User Name field, enter the RMX 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.
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.
numbers in the range. When ICE environment is enabled, the number of ports defined
in the range should be 2024.
The RMX 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.
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