If the user's voice policy allows the user to place the call, Location-Based Routing determines which PSTN gateway the call should egress from. When a Skype for Business user places a PSTN call, the user's voice policy determines whether the user can be authorized to place the call. Such voice routing policies will take precedence over the routing defined by the user's voice policy when the user is located in a network site enabled for Location-Based Routing, and it will prevent the routing of calls via other PSTN gateways that are enabled for Location-Based Routing. Voice routing policies can be defined on a per network site basis to define a particular PSTN gateway that should be used by all users located in the network site to call PSTN phone numbers.
Administrators can apply Location-Based Routing to network sites that require it. Location-Based Routing rules are applied on a per network site basis, meaning that a given set of rules will be applied to all endpoints enabled for Location-Based Routing that are located within the same network site. Location-Based Routing is enforced based on the user's network site. Each IP subnet is associated to a network site, which are aggregated into network regions defined by the administrator. A user's location is determined by the IP subnet of the user's Skype for Business endpoint(s) are connected from. Location-Based Routing leverages the same network regions, sites and subnets as defined in Skype for Business Server used by E9-1-1, CAC and Media Bypass to apply call routing restrictions to prevent PSTN toll bypass. Applying Location-Based Routing at the user's location This topic provides guidance on how Location-Based Routing is applied. Location-Based Routing depending on the situation can be applied at the user's endpoint network site location or at the PSTN gateway's network site location. Guidance for where to apply Location-Based Routing International regions - Location-Based Routing enforces routing of outgoing calls through international PSTN gateways if a gateway local to the user's location cannot be found. remote users connecting from the Internet or located in unknown regions). Unknown regions - Location-Based Routing restricts incoming and outgoing PSTN calls to and from users that are located in undetermined locations (i.e. Ingress calls - Location-Based Routing can prevent incoming PSTN calls to ring Skype for Business endpoints if the PSTN gateway routing the incoming call is not located in the same region as the called Skype for Business user. The following scenarios illustrate the main types of restrictions Location-Based Routing can enforce:Įgress calls - Location-Based Routing can enforce outgoing calls to egress to a PSTN gateway that is located in the same region as where the caller is to prevent PSTN toll bypass, which prevents calls to egress to a PSTN gateway located in a different region as the caller. Location-Based Routing provides the flexibility to scope these rules to specific regions, specific gateways or to specific set of users only. Location-Based Routing introduces a new set of rules that modifies the routing of national and international PSTN calls to prevent toll bypass. It enforces call authorization rules on whether calls can be routed to PBX or PSTN endpoints based on the Skype for Business caller's geographic location. Location-Based Routing is a call management feature that controls how calls are routed by Skype for Business Server. Location-Based Routing makes it possible to restrict the routing of calls between VoIP endpoints and PSTN endpoints based on the location of the parties in the call. Planning for location-based routing in Skype for Business Server Enterprise Voice, including interaction with simultaneous ringing and delegation, and supported scenarios for location-based routing.
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