rench television encoding system.) tion having basic recovery functionality.) Single Error Detecting Code. (Transmission code ROS Interface. used for detecting errors by use of single parity Remote Office Test Line. (Technique for remotely checks.) testing trunk circuits.) Safety Extra Low Voltage circuit. circuit which is Right Of Way. (Usually refers to costs associated protected from hazardous voltages.) with laying cables.) Severely Errored Second. (Any second with a BER Remote Procedure Call. exceeding 10 as per CCITT G.821.) RPE-LTP Regular Pulse Excitation Long Term Prediction. Ship Earth Station. (Variant of LPC chosen as the speech encoding tech- Service Level controller. nique for GSM.) Simple Gateway Monitoring Protocol. Received Power Flux Density. Super High Frequency. Recognised Private Operating Agencies. Subscriber Identity Module. (Usually a plug in card Resistor Transistor Logic. (An older integrated cir- used with a mobile radio handset.) cuit logic family.) Scientific and Industrial Organisation. 62/16 Glossary Societa Italiana per l'Esercizio delle Telecomunica- Structured Query Language. zion. (Italian PTT.) Signal Quantisation Noise Ratio. Speaker Independent Recognition. (Speech recogni- Single Sideband. tion technique which does not need to be trained to SSBSC Single Sideband Suppressed Carrier modulation. (A individual caller's voice.) method for amplitude modulation of a signal.) Societe Internationale de Telecommunications Spread Spectrum Multiple Access. Aeronautiques. (Refers to the organisation and its Specialised Satellite Service Operator. telecommunication network which is used by many SSTDMA Satellite Switched Time Division Multiple Access. of the World's airlines and their agents, mainly for Slow Scan Television. flight bookings.) Special Telecommunications Action for Regional Subscriber Line Charge. (USA term for flat charge Development. (European programme.) paid by the end user for line connection.) Subscriber Trunk Dialling. Subscriber Line Inerface Card. (Circuitry which S