Polycom (RMX) 1500 User Manual

Appendix H-Setting the MCU for Integration Into Microsoft Environment

Polycom, Inc.

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Establishing a Voice Route to the MCU “Voice” Gateway - The Voice Route to the MCU 
(or DMA) must be configured in the OCS infrastructure. 

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Configure Office Communicator Users for Enterprise Voice.

MCU side:
The following tasks are detailed in "Configuring the RMX 1500/2000/4000 for Microsoft 

Modify the Management Network Service to include the DNS server and set the 

Transport Type to TLS.

Create the security certificate (using one of the two available methods)

Define a SIP Network Service in the MCU and install the TLS certificate.

Modify and add the required system flags in the MCU System Configuration.

Optional. Defining additional Entry Queues and Meeting Rooms in the MCU 

environment. For details see "Meeting Rooms” on page

 and "Entry Queues” on 

For a detailed description of the configuration of the Polycom conferencing components for 

the integration in Microsoft Office Communications Server 2007 see Polycom® HDX and 

If you have defined the MCU as Trusted Host to enable dialing using the Static Routes and 

you want to use numerical dialing in addition or instead of SIP URI dialing, you need to 

remove the current definition of the MCU and redefine it as a voice gateway.
To remove the definition of the MCU as trusted host from the Front End Properties:
1

In the OCS application, display the Front End Properties (right-click the Front End and 

select Properties).

Click the Host Authorization tab.

If the MCU was previously defined as a Trusted Host for matching URI dialing method, this definition 
must be removed before configuring the MCU as a voice gateway. It will be defined as trusted host 
as part of the voice gateway configuration. For more details, see Optional. Removing the MCU from 
the Host Authorization List.