Patent ID: 6826273
Filing Date: 2004-11-30
Classification: H04Q

Abstract:
A method carried out in an arrangement that includes a switch, and N collections, each collection i including a set of terminals Ti and a set of resources SORi that includes one or more serially-connected shared overloadable resources SOR1j interposed between terminals T1 and said switch, j being an index that identifies a particular shared overloadable resource in set SORi, and where each call that is established between a terminal in set T1 and said switch occupies an overloadable resource element, SORij(q) in each resource j in set SORi, where q=1, 2, . . . or Qj, and Qj is a number corresponding to number of shared overloadable resource elements in resource j, said method being carried out in response to an attempt by a terminal in set Tk to establish a communication connection with said switch, comprising the steps of:selecting a value of index j in SORkj that was not previously selected; engaging a mechanism that works to maintain a high probability that an element SORkj(q) exists that is unoccupied, by dropping or not dropping a call associated with SORk; when said mechanism decides to drop a call, choosing a call as a selected call to be dropped, dropping the selected call, and establishing a connection for said terminal in set Tk, unless the connection sought to be established by said terminal in set Tk, is the selected call; and when said mechanism does not decide to drop a call, returning to said step of selecting, when unselected values index j in SORkj remain, and establishing said connection for said terminal in set Tk, when no unselected values index j in SORkj remain.