Cell Insertion Ratio), ATM, 41/20 error control coding, 14/3-4 13/5-21 Circuit design, minimising EMC, error detection/correction, 19/6 ALOHA, 13/6-8 23/16-22 Hamming codes, 14/5 contention minimisation, 13/8-13 Circular polarisation, light, 7/12 hard and soft decoding, 14/5 contention rings, 8/13 Cladding, optical fibre, 53/3-5 majority logic decodable, 14/9 non-contention systems, 13/13 CLIP (Connection-Less Manchester, 28/10 Continuous communication channels, Interworking Protocol), 16/23 mBIC, 28/11 4/11-12 Index/5 Continuous domain, 2/6 CS (Concentration stage), crossbar PABXs, 34/7 Control channels, cellphone, 47/11 switching, 31/12 Data compression, 14/3 Control Flow Diagrams, software, 25/5 CSMA (Carrier Sense Multiple Access), CVSD voice, 56/6 Convergence of functions, 2/4 1-persistent, 13/10-11, 13/12 facsimile equipment, 60/6-8 Convolution codes, 14/9 CSMA/CD, 13/11, 13/12, 56/8-9 FDM, 20/18 Convolution summation, z-transforms, non-persistent, 13/11, 13/12 HD-MAC, 57/10-11 2/14-15 p-persistent, 13/11, 13/12 modems, 39/8, 39/11 Cooling, engine generating plant, 24/15 queuing models, 3/16-17 PCM, 19/16-17 Cordless telecommunications, CSO (Composite Second Order) see also Companding CBCS, 49/4 intermodulation, 57/23 Data flow analysis, 25/14 CEPT standard, 49/3 CSTA (Computer Supported Telephony Data integrity, EDI, 38/7 CT2/CAI specification, 49/4-8 Applications), 11/16, 37/5 Data link layer, OSI, 12/10 DECT specification, 49/8-13 CSU (Channel Service Unit), TDM, 21/15 Data messaging, PMR band III, 46/8 digital technology, 49/3-13 CT1 telephone switching centre, 29/7-8 Data transfer, OSI layer services, 12/8 Europe, 49/3 CT2 cordless telephone, 34/15-16, 49/4-8 Data transmission rates, cables, 33/4 North America, 49/3 CT3 telephone switching centre, 29/5, Data truncation, Fourier transforms, PABX, 34/14-16 29/7-8 2/16-17 security, 49/3 CTB (Composite Triple Beat) Data units, OSI layer services, 12/7-8 telepoint, 49/4 intermodulation, 57/23 Data, voiceband, transmission planning, see also Cellular radio s