Enter the display best-service-routing xx command to view the Best Service Routing screen. Where xx is a BSR application plan number.
The Status Poll VDN field must specify an AAR or AAS pattern that routes over an IP trunk.
Important:
Do not specify a Trunk Access Code (TAC) in the Status Poll VDN field. If you specify a TAC, the poll routes through a B-channel, if a B-channel is available.