This course provides a basic understanding of the features and functions of ClearOne’s CHAT personal conferencing products.

Number of Attempt
0
Passing Number
80%
Questions
Question
Which of the follow statements about the CHAT 70 and 170 is not true?
Options
a. Incoming Microsoft Lync calls will ring on only the CHAT 70
b. No special drivers are required to use the CHAT 70 and 170 with Microsoft Lync
c. Configuring the CHAT 70 and 170 for use with Microsoft Lync only involves a USB connection between the CHAT and the PC.
Correct Answer
1
Question
You have a medium sized conference room that seats up to 10 - 12 people and want a conference phone that will support Skype and PC based video conference calls, which of the following products would be the best choice?
Options
a. CHAT 160
b. CHATAttach 150
c. CHATAttach 170
Correct Answer
2
Question
Although the CHAT 150 Video Mode disables the chat speaker, why does far end receive audio from the video codec still need to be connected to the CHAT 150 line input?
Options
a. It doesn’t, no audio connection from the far site is required on the CHAT in this mode.
b. Enables the CHAT 150’s acoustic echo canceller to reference the audio going into the room
c. Required for First Mic Priority to function properly
Correct Answer
2
Question
Which of the following modes in the CHAT 150 allows for the use of an external amp and speakers in a USB audio application?
Options
a. USB / Analog Mix Mode
b. External Speaker Mode
c. Video Mode
Correct Answer
2
Question
You want a portable conference phone that you can take on the road for ad-hoc conference calls for yourself and occasionally one or two more people. Primarily you will be using Skype but want the capability to use your pc based soft phone as well. Which product would be the best choice?
Options
a. CHAT 50
b. CHAT 60
c. CHAT 150
d. CHAT 160
Correct Answer
2
Question
Which of the following options in the CHAT 150 and CHAT 50 disables the CHAT speaker and allows the far site audio to be played out of the monitor speakers in a set-top video conferencing application?
Options
a. Video Mode
b. USB Analog Mix
c. External Speaker Mode
Correct Answer
1
Question
The Enterprise Phone Break Out Box is not an option for which of the following CHAT phones?
Options
a. CHAT 150
b. CHAT 160
c. CHAT 170
Correct Answer
3
Question
Which of the following CHAT products is optimized for Skype™?
Options
a. CHAT 50
b. CHAT 60
c. CHAT 70
Correct Answer
2
Question
When connected to an enterprise phone, disabling the CHAT’s Line Echo Canceller will result in?
Options
a. The far site hearing acoustic echo
b. Local audio feedback
c. Excessive noise
Correct Answer
2
Question
All the CHAT products use uni-directional mics. Uni-directional mics or devices with uni-directional mics should be placed at what distance from the talker relative to Critical Distance to maintain good intelligibility?
Options
a. At or less than 2 times Critical Distance
b. At or less than Critical distance
c. At or less than ½ Critical Distance
Correct Answer
3
Question
The Headset button on the CHAT 150 Enterprise Phone Break out Box will..
Options
a. Switch the call from the CHAT 150 to and from the telephone handset
b. Switch the call from the CHAT 150 to and from a headset connected to the Break out Box headset port.
c. There is no Headset button on the Enterprise Phone Break out Box, only the VC Break out Box.
Correct Answer
2
Question
Which of the following features in the CHAT 150, 160 and 170 prevent that hollow or tunnel sounding audio?
Options
a. Adaptive ambient auto gating
b. First Mic Priority
c. Distributed Echo Cancellation
Correct Answer
2
Question
The CHAT 150, 160 and 170 feature Distributed Echo Cancellation®. Which of the following are advantages or features of Distributed Echo Cancellation?
Options
a. Faster convergence
b. One echo canceller per mic
c. Auto mixing functions such as gating (voice activation) are done after echo cancellation.
d. All of the above
e. A and B
Correct Answer
4
Question
The CHATAttach 170, although connected via USB, still requires an external power supply.
Options
True
False
Correct Answer
1
Question
Which of the following differentiate the CHAT 60 and the CHAT 60-U?
Options
a. The CHAT 60-U does not have an analog audio port. It is USB only
b. The CHAT 60-U is optimized for Skype®
c. The CHAT 60_U includes a Skype® call control button
d. A and B
e. A and C
Correct Answer
5
Certificate Relation
Personal Conferencing