Configuring the Listening Address for A/V Conferencing Servers

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To configure the listening address for A/V Conferencing Servers, you specify the following:

  • IP address for the listening address. The default is All, which is recommended if IP addresses in your environment are assigned dynamically or if your environment will use the FQDN to refer to the A/V Conferencing Server instead of an IP address.
  • Port on which the A/V Conferencing Server receives SIP signaling messages.
  • Range of media ports, from low to high, which the A/V Conferencing Server uses for Real-Time Transport (RTP) media. The default is 49152 to 65535. The low port can be any number from 49152 to 65535. The high port can also be any number from 49152 to 65535, but must be greater than the low port number by 23.

To configure the listening address for an A/V Conferencing Server

  1. Open Office Communications Server 2007 R2.

  2. In the console tree, expand the forest node, and then do one of the following:

    • For an Enterprise pool, expand Enterprise pools, expand the pool, expand A/V Conferencing, right-click the A/V Conferencing Server that you want to configure, and then click Properties.
    • For a Standard Edition Server, expand Standard Edition servers, expand the pool, right-click the server, click Properties, and then click A/V Conferencing Properties.

  3. Click the General tab.

  4. On the General tab, under Settings, in the IP address drop-down list box, click the IP address that you want the A/V Conferencing Server to use. This is the address to which users connect for audio/video information and to which the A/V Edge Server connects. Any change to this setting will not take effect until you restart the Office Communications Server Audio/Video Conferencing service.

  5. In SIP listening port, type the port number on which the A/V Conferencing Server listens for SIP traffic. Any change to this setting will not take effect until you restart the Office Communications Server Audio/Video Conferencing service.

  6. In Media port range, type the lowest and highest port numbers of the port range that you want the A/V Edge Server and users to use to connect. The default is 49152 to 65535. The low port can be any number from 49152 to 65535. The high port can also be any number from 49152 to 65535, but must be greater than the low port number by 23.