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Configuring Telephony Conferencing for Servers

Communications Server 2007 R2

Topic Last Modified: 2009-03-06

The Telephony Conferencing component is responsible for audio conferencing provider (ACP) integration. During installation, the Front End Server is configured with default settings for phone conferencing, which specify the IP address and port on which the Front End Server receives messages. If you change the settings, ensure that the settings you choose do not conflict with settings for other Office Communications Server components that are running on the same computer.

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The Telephony Conferencing component does not support mixing Voice over IP (VoIP) and public switched telephone network (PSTN) in the same call.

On the Telephony Conferencing tab, you can configure the IP address and the SIP listening port used for phone conferencing:

  • IP address: The IP address that is associated with the Telephony Conferencing component of the Front End Server. By default, no specific address is specified, which we recommend if IP addresses in your environment are assigned dynamically or if your environment will use the fully qualified domain name (FQDN) to refer to the server instead. To refer to the server by using a single, specific IP address, click IP address, and then click the IP address that you want to use.
  • SIP listening port: The port on which the Telephony Conferencing component of the Front End Server receives SIP signaling messages.

You also enable telephony for individual users. For details, see Configuring Telephony for Individual Users.

  1. Open the Office Communications Server 2007 R2 snap-in.

  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 Front Ends, right-click the Front End Server that you want to configure, click Properties, and then click Front End Properties.
    • For a Standard Edition server, expand Standard Edition servers, expand the pool, right-click the server, click Properties, and then click Front End Properties.
  3. Click the Telephony Conferencing tab.

  4. In the IP address box, click the IP address that you want to use. 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 server instead.

  5. In the SIP listening port box, type the port number that you want to use. The default value is 5064.

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