In a multi-site Best Services Routing (BSR) configuration, what is the purpose of the Status Poll vector?

A. The vector is activated when the given remote server is the best available.

B. The vector contacts the specified remote servers, and collects information from that remote server.

C. The vector compares skills at its location and replies to the origin server with information on the best of these skills and estimated wait times (EWT).
D. The vector queues the call to the resource that is likely to provide the best service.

Reference: http://btbusiness.custhelp.com/euf/assets/TelephoneSystems/Avaya/CallCentre/07_300303_1.pdf