Specifying Supported Internal SIP Domains
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
For each forest in which you want to use Office Communications Server 2007, you need to specify the SIP domains that you have set up for Office Communications Server and specify one SIP domain to be used as the default routing domain. If your topology and requirements change, you can add new domains or remove existing domains, as well as change the default routing domain.
Domains are individually enabled for SIP. Therefore, if you have multiple domains in your organization, you can enable one domain for SIP while not enabling SIP for the other domains. By enabling individual domains for SIP, you can also apply Group Policy according to the domain. By applying Group Policy per SIP domain, the users of one domain can have access to a different set of Office Communications Server features than the users of another SIP domain.
Use the following procedures to add or remove a SIP domain or change the default routing domain.
To add or remove a SIP domain
Open Office Communications Server 2007.
In the console tree, right-click the forest node, click Properties, and then click Global Properties.
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On the General tab, do one of the following:
To add a SIP domain, click Add. In the Add Domain Entry dialog box, type the FQDN of the SIP domain, and then click OK.
To remove a SIP domain, click it, and then click Remove.
To specify the default routing domain
Open Office Communications Server 2007.
In the console tree, right-click the forest node, click Properties, and then click Global Properties.
On the General tab, do one of the following:
If the domain to be used as the default routing domain is in the list, skip to step 4.
If the domain to be used is not in the list, click Add. In the Add Domain Entry dialog box, type the name of the SIP domain, and then click OK.
On the General tab, select the check box of the domain to be used as the default routing domain.