Which codec should an engineer select for a call mode between “Dallas-REG” & “Austin-REG”?

Posted by: Pdfprep Category: 350-801 Tags: , ,

Refer to the exhibit.

Which codec should an engineer select for a call mode between “Dallas-REG” & “Austin-REG”?
A . MP4A-LATM
C . 729
D . OPUS
F . 711

Answer: B

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