3Com MSR 30, MSR 50 manual Cng-on, Undo cid type, Syntax cng-on, Undo cng-on

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-oncommand to enable comfortable noise function.

Use the undo cng-oncommand 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