Call Faults - Huawei eSpace 7800 Troubleshooting Cases

eSpace 7800&7900 IP Phone
Troubleshooting Cases

2.1.2 Call Faults

Applicable Models
eSpace 7900 series
Applicable Versions
All versions
Symptom
No voice is heard during a call.
Possible Causes and Identification Methods

Possible Cause
The IP phone
enters the headset
mode.
The handset or
handset cord is
faulty.

Possible Cause
The speaker is
faulty.
The microphone
is faulty.

Solutions
Contact your system service provider.
Issue 01 (2013-12-26)
No voice is heard in a call using the handset.
Identification Method
Check whether the headset mode has been enabled. If the LED of the
voice can be heard even after a press on the
to the handset mode, the IP phone is faulty.
Use a functional handset or handset cord. If there is still no voice, the
IP phone is faulty.
No voice is heard in a call in speaker mode.
Identification Method
Press
a call. If the speaker cannot play audio, the speaker is faulty.
Check whether the speaker of the peer IP phone is functional
according to the above-mentioned identification method. If the
speaker of the peer IP phone is functional, the microphone of the local
IP phone is faulty.
Check whether the microphone plays audio using the Microphone option on the
Diagnose screen. For detailed operations, see section 1.4 "Performing diagnose."
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button is steady red, the headset mode has been enabled. If no
2 Troubleshooting Cases
button to switch
when the IP phone is not engaged in
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