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Using the c4012 handset, Switching the handset on/off, Locking/unlocking the keypad – Nortel Networks C4012 User Manual

Page 9: Switching speech monitoring on/off, Changing the speaker and loudspeaker volume, Muting the microphone and ringer

Using the c4012 handset, Switching the handset on/off, Locking/unlocking the keypad | Switching speech monitoring on/off, Changing the speaker and loudspeaker volume, Muting the microphone and ringer | Nortel Networks C4012 User Manual | Page 9 / 18 Using the c4012 handset, Switching the handset on/off, Locking/unlocking the keypad | Switching speech monitoring on/off, Changing the speaker and loudspeaker volume, Muting the microphone and ringer | Nortel Networks C4012 User Manual | Page 9 / 18