activity resumes. The insertion of artificial noise gives
the illusion of a constant transmission stream, so that
background sound is consistent throughout the call and
the listener does not think the line has released.
Jitter buffer is a shared data area where voice packets can be
collected, stored, and sent to the voice processor in even
intervals. Jitter is a term indicating variations in packet arrival
time, which can occur because of network congestion, timing
drift or route changes. The jitte
r buffer, located at the
receiving end of the voice connection, intentionally delays the
arriving packets so that the end user experiences a clear
connection with very little sound distortion.
IP phones support two types of jitter buffers: fixed and
Fixed: Add the fixed delay to voice packets. You can configure
the delay time for the static jitter buffer on IP phones.
Adaptive: Capable of adapting the changes in the network's
delay. The range of the delay time for the dynamic jitter buffer
a dde d to packets can be also configured on IP phones.
To configure Microphone volume for headset, handset and
speaker mode.
5.10.Phone->Key/Display
Path: Web UI->Phone->Key/Display
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