Specifies the value of where the last S port is before the one or two ports specified in LivingstonHole are skipped (usually 22 for US, 29 for Europe). This optional parameter is only used if you are using Simultaneous-Use with a NasType of Livingston in this Client clause. Defaults to the global value of LivingstonOffs, see Section 3.7.27. LivingstonOffs.