The distribution of calls to switchboard positions of a telecommunication system, particularly a telephone switching system, takes place in such a manner that first the switchboard position stored at the first location in a trunk group memory containing the switchboard positions in the order of allocation is checked for allocatability in a position data memory, the field allocated to the type of call of the respective call being checked for a first identification indicating the operating mode of the respective switchboard position, for a second identification indicating the number of maximum permissible calls on hold and for a third identification indicating the number of calls on hold at the switchboard position in the position data memory which has a memory area for each switchboard position and corresponding fields for each type of call within the memory areas, and if a call can be allocated, it is allocated and the address of the switchboard position is deleted at the first location and entered at the last location in the trunk group memory. The call itself is transferred to the switchboard position and there stored in a call-type-individual memory. Non-allocatable calls are stored in a queuing memory and, after a call has been allocated by a switchboard position, are supplied again to the call distribution system. The same occurs when a switchboard position is disconnected, all calls stored at the switchboard position being supplied to the call distribution system again.
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