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2558 CHAPTER 173: VOIP CONFIGURATION COMMANDS
undo cid type
View Analog FXS voice subscriber line view
Parameter complex: Caller identification information is transmitted in multiple-data message
format (MDMF).
simple: Caller identification information is transmitted in single-data message
format (SDMF).
Description 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.
Example # 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
cng-on
Syntax cng-on
undo cng-on
View FXS/FXO/E&M voice subscriber line view
Parameter None
Description 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