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Author Question: Modern echo cancellation equipment a. only allows a half-duplex connection b. are necessary even ... (Read 69 times)

gonzo233

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on: Jul 7, 2018
Modern echo cancellation equipment
 
  a. only allows a half-duplex connection
  b. are necessary even for local calls
  c. can never be disabled
  d. selectively removes only the echo

Question 2

The ISDN channel that typically carries digitized voice or computer data is the
 
  a. A-channel
  b. B-channel
  c. C-channel
  d. D-channel


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braelync

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Reply #1 on: Jul 7, 2018
Answer to Question 1

d

Answer to Question 2

b


gonzo233

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Reply 2 on: Jul 7, 2018
Gracias!

steff9894

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Reply 3 on: Yesterday
Excellent

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