Setting Up Hairpinning

Use this procedure to set up hairpinning on a gateway. Hairpinning is sending a call back to the PSTN portion of the network if the call cannot be serviced by the Voice-over-IP (VoIP) portion of the network.

Prerequisite: The baseline dial plan has been defined and you are in the Design View.

Procedure

1. Create a route scope for the hairpin route.

2.  Set up an ingress route.

3.  Set up an egress route.