For engineers working in the area of analog telephony, this book does an excellent job of covering a number of topics not often found in more general telephony texts.While the subject of Chapter 4 ("Hybrids") is covered in many books, the coverage here is particularly clear and quantitative. Chapter 5 continues with "Echo Loss and Return", material that I have not found in other books.Chapter 2 touches on Transmission Level Plans (reviewing concepts such as dBm0). ... If your work involves design of analog telephony components or systems, or echo cancellers, look about ... for a copy.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.