... 483002. 21 C: Barker speaking. 22 B: No, N for Nicholas, D, H, O, V, E, N. 1. 6A 2. … 3. … 4. … 5. … 6. … 7. … 8. … 9. … 10 . … 11 . … 12 . … 13 . … 14 . … 15 . … 16 . … 17 . … 18 . … 19 . … 20. … 21. ... 1. 2. Decide whether the statements are about Disadvantages of Electromechanical exchanges (DE) or Advantages of Digital exchanges (AD). DE: 1; 2; 4; 5; 10 AD: 3; 6; 7; 8; 9; 11 ; 12 ; 13 1. 3. ... Michael? 9 B: E, I, N 10 C: Fine, thanks. How can I help you? 11 B: Well, I'm phoning about our order no. 5 41. 12 A: Hold on a moment Mr Jakeson. I'll put you through. 13 C: Just a moment,...