3com MSR 20-20 참조 매뉴얼

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Analog FXS voice subscriber line view

complex: Caller identification information is transmitted in multiple-data message 
format (MDMF).

simple: Caller identification information is transmitted in single-data message 
format (SDMF).

Use the cid type command to configure the format of message (which carries the 
calling number information) transmitted over the FXS voice subscriber line.

Use the undo cid type command to restore the default message format.

By default, the multiple data message format (MDMF) is adopted.

Two formats are available: multiple data message format (MDMF) and single data 
message format (SDMF). If the remote end supports one format only, you must 
use the same message format at the local end.

# Set the format of the transmitted caller identification information to SDMF on 
voice subscriber line 1/0.

<Sysname> system-view

[Sysname] voice-setup

[Sysname-voice] subscriber-line 1/0

[Sysname-voice-line1/0] cid type simple 

FXS/FXO/E&M voice subscriber line view

None

Use the cng-on command to enable comfortable noise function.

Use the undo cng-on command to disable this function.

By default, the comfortable noise function is enabled.

This command is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice 
subscriber line.

You can use this command to generate some comfortable background noise to 
replace the toneless intervals during a conversation. If no comfortable noise is