How is fax pass-through traffic treated over IP WAN connections that use the G.729 codec?

Question

Options

• AThe fax traffic is demodulated and sent with VAD and echo chancellor disabled.
• BWhen the TGW detects the CED tone from the fax machine that has been contacted, the TGW
• CWhen the OGW detects the CED tone from the fax machine that is making the call, the OGW is
• DThe contacting fax machine sends a TCF message to the contacted fax machine and waits for

• A
  6% (2)
• B
  78% (28)
• C
  6% (2)
• D
  11% (4)

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