Cadence Flash F200-2 Guia de Resolução de Problemas Página 97

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VoIP command reference 97
-> dimPrintChannelInfo 3
rx_coding type: 68
tx_coding type: 68
rx vif size: 320
tx vif size: 320
encapsulation: 3
companding: 1
vad enable: TRUE
vad threshold: -17
vox nom delay: 80
vox max delay: 160
fax rate: 144
fax nom delay: 100
fax pkt size: 30
fax tx level: -13
fax cd thresh: 2
fax_encap: 7
fax nat: 20
idle noise: -6500
in gain: -8
out gain: 0
tx_in_gain: 4
ec tail delay: 128
rtp.SSRC: AABBCCDD
rx rtp.payload: 18
tx rtp.payload: 18
The coding type indicates the codec used; it has the following values:
8 - G.711 A-law
9 - G.711 mu-law
68 - G.729A, G.729AB (the vad enable line item shows which is active)
80 - G.723 5.3K
81 - G.723 6.3K 129 - T38 (fax)
144 - G.711CC (G.711 clear channel - used for fax interworking with BCM)
The vif size indicates the number of bits to pack for each packet. This
relates to the packet time and the codec type. The equations are:
G.711: vif size = packet time (milliseconds) * 64
G.729: vif size = packet time (milliseconds) * 8
G.723: 192 bits/pkt for 30 milliseconds payload
The DSP gain settings are set by the following items:
in gain - Tx (PCM > IP) gain register between ECAN and codec
out gain - Rx (IP > PCM) gain register
tx_in_gain - Tx (PCM > IP) gain register between PCM and ECAN
Nortel Communication Server 1000
Troubleshooting Guide for Distributors
NN43001-730 02.02 31 December 2009
Copyright © 2008-2009 Nortel Networks. All Rights Reserved.
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