Call diversion treatment indicators


           8  7  6  5  4  3  2  1
        1  H  G  F  E  D  C  B  A


  bits  B A             Call to be diverted indicator
        0 0             no indication
        0 1             call diversion allowed
        1 0             call diversion not allowed
        1 1             spare
  bits  G-C             Spare
  bit   H               Extension indicator
        0               information continues through the next octet
        1               last octet