This publication is a suite of 28 Next Generation Interconnection Interoperability Forum (NGIIF) reference documents, including terms and definitions commonly used in NGIIF documents. These documents are also available separately. (Document numbers included in this suite are ATIS-0300009, ATIS-0300010, ATIS-0300011, ATIS-0300012, ATIS-0300013, ATIS-0300014, ATIS-0300015, ATIS-0300016, ATIS-0300017, ATIS-0300018, ATIS-0300019, ATIS-0300020, ATIS-0300021, ATIS-0300022, ATIS-0300023, ATIS-300024, ATIS-0300025, ATIS-0300026, ATIS-0300027, ATIS-0300028, ATIS-0300029, ATIS-0300030, ATIS-0300031, ATIS-0300032, ATIS-0300033, ATIS-0300034, ATIS-0300035, ATIS-0300036.)