Avaya B179 SIP Conference Phone Installation and Maintenance Manual | Page 30

Avaya Conference Phone Installation and Maintenance Manual - B179 SIP Conference Phone.
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Avaya B179 SIP Conference Phone  

Installation and Administration Guide

26

SETTINGS

MEDIA
 Select Settings Media.

The media settings determine how audio is sent between the devices. The devices negoti-
ate via SIP before a call is connected. All devices must support the same media types, 
codecs and security settings. 

Codec
Codecs are used to convert an analog voice signal to a digitally encoded version and vice 
versa. Codecs vary in the sound quality they deliver and the bandwidth required. The 
Avaya B179 supports the most common codecs and each codec can be given a prec-
edence depending on your requirements for high quality audio or low bandwidth use. 
The priority can be set to from 4 (high) to 1 (low) or 0 (disabled) 
G722  

G.722 is an ITU-T standard codec that provides 7 kHz wideband audio 
at a data rate within 64 kbit/s. It offers greately improved speech 
quality compared with older narrowband codecs such as G.711, but 
requires a high quality network connection between the devices.

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