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Example Set the amplitude of the busy tone to 1,200.
<sysname> system-view
[sysname] voice-setup
[sysname-voice] cptone tone-type busy-tone amplitude 1200
default entity compression
Syntax default entity compression { 1st-level | 2nd-level | 3rd-level | 4th-level } { g711alaw
| g711ulaw | g723r53 | g723r63 | g726r16 | g726r24 | g726r32 | g726r40 | g729a |
g729r8 }
undo default entity compression { 1st-level | 2nd-level | 3rd-level | 4th-level }
View Voice dial program view
Parameter 1st-level: Specifies a codec with the first priority.
2nd-level: Specifies a codec with the second priority.
3rd-level: Specifies a codec with the third priority.
4th-level: Specifies a codec with the fourth priority (namely, the lowest priority).
g711alaw: G.711 A-law codec (defining the pulse code modulation technology),
requiring a bandwidth of 64 kbps, usually adopted in Europe.
g711ulaw: G.711μ-law codec, requiring a bandwidth of 64 kbps, usually adopted
in North America and Japan.
g723r53: G.723.1 Annex A codec, requiring a bandwidth of 5.3 kbps.
g723r63: G.723.1 Annex A codec, requiring a bandwidth of 6.3 kbps.
g726r16: G.726 Annex A codec. It uses the adaptive differential pulse code
modulation (ADPCM) technology, requiring a bandwidth of 16 kbps.
g726r24: G.726 Annex A codec. It uses ADPCM, requiring a bandwidth of 24
kbps.
g726r32: G.726 Annex A codec. It uses ADPCM, requiring a bandwidth of 32
kbps.
g726r40: G.726 Annex A codec. It uses ADPCM, requiring a bandwidth of 40
kbps.
g729a: G.729 Annex A codec (a simplified version of G.729), requiring a
bandwidth of 8 kbps.
g729r8: G.729 (the voice compression technology using conjugate
algebraic-code-excited linear-prediction), requiring a bandwidth of 8 kbps.