Administrator’s Guide for Akuvox SP-R5xP IP Phones
Akuvox Proprietary and Confidential. Copyright © 2014 Akuvox network Co., Ltd..
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ACS
Enable Periodic
Inform
Boolean
disable
Turn TR-069 Periodic Inform on and off.
Enable TR069
Boolean
disable
Turn TR-069 management on and off.
CPE URL
String
default
URL of the Device. This is the URL the TR-069
ACS will manage.
CPE User name
String
empty
Username to authenticate incoming connection
requests.
CPE Password
String
empty
Password to authenticate incoming connection
requests.
Configuring Audio Features
This chapter provides information for making configuration changes for the following audio
features:
Audio Codecs
Acoustic Clarity Technology
Audio Codecs
CODEC is an abbreviation of COmpress-DECompress, capable of coding or decoding a digital data
stream or signal by implementing an algorithm. The object of the algorithm is to represent the
high-fidelity audio signal with minimum number of bits while retaining the quality. This can
effectively reduce the frame size and the bandwidth required for audio transmission.
The default codecs used on IP phones are summarized in the following table:
Codec
Algorithm
Bit Rate
Sample Rate
Packetization Time
PCMA
G.711 a-law
64 Kbps
8 Ksps
20ms
PCMU
G.711 u-law
64 Kbps
8 Ksps
20ms
G729
G.729
8 Kbps
8 Ksps
20ms
G722
G.722
64 Kbps
16 Ksps
20ms
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