This standard defines the interfaces between a Telecommunication Service Provider (TSP) and a Law Enforcement Agency (LEA) to assist the LEA in conducting lawfully authorized electronic surveillance for Voice over Packet (VoP) Technologies in Wireline Telecommunications Networks. This package also includes ATIS-1000678.a.v2.2007(R2013) and ATIS-1000678.b.v2.2010(R2013).