(Reference 1)

1. Example of Interconnection at Local Switch (GC)

Example of Interconnection at Local Switch (GC)
Note: *1 ="Local Switching Function"
*2 ="*1" + "Public Telephone Originating Function"
*3 ="*1" + "ISM Switching Function"
*4 ="*3" + "Digital Public Telephone Originating Function"


2. Example of Interconnection at Tandem Switch (Zone Center: ZC)

Example of Interconnection at Tandem Switch (Zone Center: ZC)
Note: *5 ="Local Switching Function"+"Tandem Switching Function"+"Interoffice Transmission Function (for shared use)"
*6 ="*5"+"ISM Switching Function"


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