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Setting Up an International Gateway

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.

 

Topic Last Modified: 2015-03-09

Due to lower negotiated international calling rates from a particular site, administrators might want to configure all international calls from the United States to route out of a particular gateway. The following configuration illustrates how all international calls are routed via Red-GW1.

Table 1. User Policy

User policy Phone usage

Default Calling Policy

Local

International

GlobalPSTNHopoff

Table 2. Routes

Route name Number pattern Phone usage Gateway

Redmond Local Route

^\+1(425|206|253)(\d{7})$

Local

Red-GW1

Red-GW2

Dallas Local Route

^\+1(972|214|469)(\d{7})$

Local

Dallas-GW1

Universal Route

^\+?(\d*)$

GlobalPSTNHopoff

Red-GW1

Red-GW2

Dallas-GW1

Intl Route

^\+([2-9])(\d*)$

International

Red-GW1

Though there are different ways to implement regular expression patterns, the previous example shows a sample configuration:

  • A phone usage of International is added to the Default Calling Policy.

  • A new route, Intl Route, is introduced, which matches a number that starts with +2 through +9 (international to the United States) and has a phone usage of International.