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Exam 350-801 topic 1 question 104 discussion

Actual exam question from Cisco's 350-801
Question #: 104
Topic #: 1
[All 350-801 Questions]

When a remote office location is set up with limited bandwidth resources, which codec would allow the most voice calls with the limited bandwidth?

  • A. G.711
  • B. G.722
  • C. G.723
  • D. G.729
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Suggested Answer: D 🗳️
Reference:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab10/collab10/media.html
by domangez at July 2, 2021, 12:44 p.m.

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Bazant
10 months, 3 weeks ago
G.723 is NOT the same as G723.1 (available in CUCM). SO the answer for that question is correct. G.729 will allow for most number of calls.
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domangez
1 year, 4 months ago
G.723 (G.723.1) needs less BW (5.3/6.3 kbps) then G.729. It is not that well supported as G.729.
upvoted 1 times
jarcoman99
1 year ago
G.723 is completely different than G.723.1 G.723 is an ITU standard for speech codecs that uses the ADPCM method and provides good quality audio at 24 and 40 Kbps. Note: G.723 codec mainly used for digital circuit multiplication equipment (DCME) applications. And latter folded into G.726. Kindly see the G.726 G.723.1 is a speech codec that compresses voice audio in 30 ms frames. An algorithmic look-ahead of 7.5 ms duration means that total algorithmic delay is 37.5 ms.
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