To Mute Your Telephone Handset Or Handsfree Microphone While On A Call; To Turn Your Telephone Microphone Back On - NEC UNIVERGE SV9100 Features And Specifications

Guide to Feature Programming
Program
Program Name/Description
Number
15-07-01 Programmable Function Keys
If an extension needs handset microphone
cutoff, program a Handset Transmission Cutoff
key (code 40). To program a MIC Cutoff key,
use code 02 as the entry. The MIC Cutoff key
mutes conversation on a handsfree call, but the
Handset Transmission Cutoff key mutes the
handset transmission on a non-handsfree call.
System Options for Multiline Telephones –
20-02-11
Handsfree Microphone Control
Control the setting for multiline terminal
handsfree microphone after being disconnected
and reconnected. If set to 0, the microphone is
always off when the terminal is reconnected. If
set to 1, the microphone remains in the same
state it was in when the terminal is
reconnected.
Operation

To mute your telephone handset or Handsfree microphone while on a call:

1. Press MIC.
 This only turns off the Handsfree microphone.
- OR -
Press the Microphone Cutoff key (Program 15-07 or SC 851: 40).
 This turns off both the handset and Handsfree microphone.

To turn your telephone microphone back on:

1. Press MIC.
 Use MIC only if you pressed it initially to turn off your Handsfree microphone.
- OR -
Press the Microphone Cutoff key (Program 15-07 or SC 851: 40).
 Use the Microphone Cutoff key only if you pressed it initially to turn off your handset or Handsfree
microphone.
Input Data
Line Key 1 ~ 48
0 ~ 99 (Normal Function Code
851 by default)
* *
00 ~ 99 (Appearance
Function Code) (Service Code
852 by default)
0 = Off
1 = On
867
Default
1