Advantech MIC-3369C Guía de instalación descargar pdf (Pagina 66)

Dialogic

System Release 6.1 CompactPCI for Windows

Release Update 66

1.22 New Parameter for Adjusting Silence Threshold on

Dialogic

DM3 Boards

With the Service Update, the user has the ability to adjust the silence threshold parameter

on Dialogic

DM3 Boards to a value above or below the default value of -43 dBm0 while

using play and record functions like dx_play( ), dx_record( ), and ec_reciottdata( ). For

instance, its adjustment affects the threshold for silence termination conditions in the

Dialogic

R4 API TPT structure. It also affects silence detection via R4 unsolicited SRL

events.

The silence threshold is the level that defines whether the incoming data to a voice

channel is recognized as silence or non-silence. The threshold is defined by the minimum

energy level of a signal below which it is considered as silence. With this new feature, the

user can statically adjust the silence threshold default value of -43 dBm0 via the DM3

firmware configuration file across all voice channels on a Dialogic

DM3 Board.

Configuration Example

To change the default value of the silence threshold, you must add a new parameter in the

CONFIG file that was selected for your board. The parameter is 0x70B, and must be

added in the [sigDet] section of the CONFIG file. A value equal to the desired silence

threshold, measured in dBm0, must be entered. For example:

[sigDet]

SetParm=0x70B, 0xffd3 ! SD_ParmMinEnergy in dBm0 (e.g. 0xffd3=-45, 0xffda=-38,

Default: 0xffd5=-43)

After the CONFIG file is saved, the changes take effect after downloading.

For further information about modifying DM3 CONFIG files, see the Dialogic

DM3

Architecture for CompactPCI on Windows

Configuration Guide.

1.23 File Management Enhancements for ISDNtrace Tool

With the Service Update, the user can specify new command line options provided with

the ISDNtrace tool to set the output log file size and to create multiple backup log files to

be archived.

1.23.1 Feature Description

This feature enhances the existing ISDN tracing file management for boards configured

with an ISDN load. Currently, all data is logged to a single file that can get too large during

a session, and the batch operations can copy over files that might be needed. With this

feature, the user can set command line options for size so that the single file is a

manageable size, and also can set options to create multiple log files when the file

reaches the designated file size. In addition, the standard log file name format now

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Advantech MIC-3369C Guía de instalación Pagina 66

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