245Provisioning Client User GuideUsing the Provisioning Client to add emergencysubscribers and telephony routesUse the Provisioning Client for the following:• “Creating a CoS for the 911 notification” on page 245• “Adding a private telephony route” on page 246• “Adding a gateway telephony route” on page 247• “Adding an emergency subscriber” on page 249• “Adding an OSN subscriber” on page 249• “Configuring a route for the emergency subscriber” on page 250Creating a CoS for the 911 notificationAs a first step, create a new CoS for the 911 notification and assign it to the parentdomain.To create the CoS1 Select Domains.2 Select the subdomain for which you want to configure the CoS (for example,rich.abc.com)3 Select Telephony Routes > Routing COS.4 Enter a name and a description for the CoS.5 Click Save.The CoS appears in the Current Choices Available window.Tip: Because telephony routes are only unique within a subdomain, youcannot have more than one OSN location per subdomain