Huawei
H35-211 · Question #80
H35-211 Question #80: Real Exam Question with Answer & Explanation
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Question
(multiple) What are the possible positioning methods when the "echo" fault occurs in the VoIP PSTN telephony service?
Options
- ACheck if the acoustic echo is caused by the terminal phone.
- BCheck if the PSTN port transmit gain is set too large.
- CCheck if the DSP chip input gain (PCM->IP) is set too large.
- DCheck if the EC switch (echo suppression switch) of the peer device is turned on during the call.
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