MLC Phones
Grandstream GXP2130
Line keys
Soft keys
Menu/OK key
Speaker
Volume
Send
Message Waiting
Message
Contacts
Hold
Navigation keys
Transfer
Conference
Headset
Mute
Mute your speaker, handset or headset
If pressed when you are not in a call, this places your phone in the 'do not disturb' mode and sends all call immediately to voicemail
Multi-Purpose keys
These keys have been preprogrammed as call appearance buttons or busy lamp field (BLF) for office groups allowing you to pick up calls for each other. They are unprogrammed for indidividuals.
On classroom phones they have been pre-programmed as speed dial buttons for Network Services, HR, Nurse, etc.