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Topic6b
- 1. The Evolution of switching system technology
Manual Switches
Step by Step (SXS)
Cross Bar
Stored Program Control (SPC)
- 2. The Evolution of switching system technology
Manual Switches
Step by Step (SXS)
Cross Bar
Stored Program Control (SPC)
Time Division Switching
- 3. Introduction to Customer Switching Systems (CSS)
•the CSS switching equipment
•user extension equipment
•distributors
•cable
•connection to PSTN and/or remote CSS
- 4. Introduction to Customer Switching Systems (CSS)
•private automatic branch exchange (PABX)
•small business (key) system (SBS)
•automatic call distributor (ACD)