Cadence Flash F200-2 Guía para resolver problemas Pagina 264

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264 VoIP
Parameter Value Description
txInGain
–14 to 14
Gain register located between the TDM interface and
the echo canceller. Assigns the DSP gain, in the
range of –14 to +14 dB. Positive values are louder.
txGain
–14 to 14
Gain register located between the echo canceller and
the IP network. Assigns the DSP gain, in the range of
–14 to +14 dB. Positive values are louder.
This parameter provides more control over the audio
levels of the echo canceller.
-> tsm_set_tx_gain 0,-4, 6
value =0=0x0
tsm_stat_req_ecd/jointfilesconvert/306392/bg
Syntax:
tsm_stat_req_ecd/jointfilesconvert/306392/bg chNum
Return the echo canceller debug statistics for a channel. This command
applies only to the VGMCs.
The following table describes the command parameters.
Table 65
Command parameters
Parameter Value Description
chNum
Channel number of the call on the VGMC.
The following table describes the data parameters printed by this
command.
Table 66
Data output
Parameter Description
Px level
Py level
Pe level
Instantaneous power level of far end (IP Phone
talker), near end (remote) user, and error level
(echo residual before NLP). Max value is 228
(268,435,456) = +3 dbm0 (All values are in Q4).
erl_estimate Estimated ERL in Q4 (hybrid loss); dividing by
16 gives ERL in dB.
acom_estimate Estimated ACOM in Q4
len length [x] of internal use array
internal_use[0,x] Values of internal use array
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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