The selectionPolicy attribute specifies the algorithm used to select a
hunt group member.
A value of startFromZero means that on a new call, the first
available member starting from the member with the lowest
instance value is selected. Subsequent hunts for the same call select
the first available member starting from the previously chosen
member. This algorithm is used when it is desirable to have the first
member receive the majority of the calls and subsequent members
only receive calls in overflow situations.
A value of rotary means that on a new call, the first available
member is selected starting from the member which received the
last new call. Subsequent hunts for the same call select the first
available member starting from the previously chosen member. This
algorithm is used when it is desirable to loadspread the calls equally
across the members.
A value of mostAvailable means that on a new call, the most
available member is selected based on the availability information
received from the member. Subsequent hunts for the same call
select the most available member starting from the previously
chosen member. This algorithm is used when it is desirable to send
each call to the member which has the highest probability of
connecting it.