Configure the Distributed Media Service

By default, the RealPresence ITP system supports the Polycom RealPresence Distributed Media Application™ (DMA). RealPresence DMA enables multipoint conferences. Refer to the DMA documentation for detailed instructions on setting up the service, including MCUs, pools, conference templates, etc.

Keep the following in mind:
  • All the endpoints (conference initiator and conference participants) should be registered to DMA as H323 and/or SIP endpoints. This may not be required of the conference participants if you are using only an IP address to perform blast dialing.

  • The DMA must have the RealPresence API license installed in it to use the meeting composer feature. This can be checked in Admin > Local Cluster > Licenses > Active License. If the Licensed capabilities field shows R ealPresence Platform API, then the license is installed.

  • There should be an MLA registered to the RMX for applying the proper layouts.

To use the Meeting Composer functionality in RealPresence Immersive Studio, RealPresence Immersive Studio Flex, or RealPresence OTX Studio, you must enable and configure Distributed Media Service.


  1. Login to the web interface of the RealPresence ITP system as admin.
  2. Go to Admin Settings > Servers > Distributed Media Service.
  3. Select the Enable Multipoint Server check box.
  4. Configure the following settings:
    Table 1. Multipoint Server Settings



    Virtual Meeting Room (VMR) Number

    Specifies the DMA conference room number/ID to use for conferencing activities, created in step 8.

    Server Address

    Specifies the DMA server that hosts the conference room/VMR.


    Specifies the domain of the DMA user who owns the conference room. It should be the same as the domain displayed in the DMA admin web interface in User > Users in the room item for the user created in step 7.

    User Name

    Specifies the User ID of the DMA user, created in step , who owns the conference room. No special roles (Administrator/Auditor/Provisioner) are required for this DMA user. This user must own the VMR (conference room) entered in VMR Number.

    The user name value entered should be the same as the User ID displayed in the DMA admin web interface in User > Users for the user created in step 7.


    Specifies the password of the DMA user, created in step 7, who owns the DMA conference room.

    Note: The username, domain, and password in the Distributed Media Service page should match the User Id, Domain, and password shown in the User > Users section of the DMA admin web interface.
  5. When you complete the Multipoint Server settings, press Save to save the details and perform validation of the values entered in the text boxes.
    Table 2.

    Configuration Status


    Registration Status Field








    An error message appears with the cause of the validation failure, for example:
    • wrong username, password, or domain

    • insufficient resources in the configured RMX MCU