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There are certain situations where the administrator wants to limit the gateway that is used for calls from users from a particular location. The following configuration illustrates how this can be accomplished for a situation where an administrator wants calls from Dallas users to exit through the Dallas gateway only.

Table 1. User Policy

User policy	Phone usage
Default Calling Policy	Local GlobalPSTNHopoff
Redmond Local Policy	RedmondLocal
Dallas Calling Policy	DallasUsers

Table 2. Routes

Route name	Number pattern	Phone usage	Gateway
Redmond Local Route	^\+1(425|206|253)(\d{7})$	Local RedmondLocal	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
Dallas Users Route	^\+?(\d*)$	DallasUsers	Dallas-GW1

• In this example, the administrator creates a policy called Dallas Calling Policy and assigns a phone usage of DallasUsers to it.
  
  
• All users in Dallas are assigned the Dallas Calling Policy.
  
  
• Because the only route that contains the Dallas Calling Policy is the Dallas Users Route, all calls originated by a user with this policy exit from the only gateway configured for this route, Dallas-GW.
  
  
• The previous configuration example does not preclude users from other locations (for example, with Default Calling Policy) from using the gateway located in Dallas.
  
  

See Also