ABSTRACT
IA: International Alphabet. IAB: Internet Architecture Board or Internet Activities Board. IA5: International Alphabet No. 5. IANA: Internet Assigned Numbers Authority. IA2: International Alphabet No. 2. I band: The frequency band between 8 GHz and 10 GHz. IBC: Integrated Broadband Communications. ICA: International Communications Association. ICAO: International Civil Aviation Organisation. ICI: Incoming Call Identification. ICMP: Internet Control Message Protocol. icon: A picture or pictorial representation of an object, task or concept. This
can usually be selected from a computer screen to start a programme. IDA: Integrated Digital Access. IDC: Insulation Displacement Connector. IDCT: Inverse Discrete Cosine Transform. IDDD: International Direct Distance Dialling. IDE: Integrated Digital Exchange. identification: The process which positively identifies an entity, such as a
call, a user or a resource on a network. Identified Outward Dialling (IDOD): A feature, usually provided by a
switching system such as a PABX, which allows all outgoing toll calls to be recorded for billing purposes.
