- Nortel Telephones and Consoles Description, Installation, and Operation

Page 464 of 504 Appendix E: M3110, M3310, and M3820 telephones
553-3001-367 Standard 3.00 August 2005
— External Alerter for high ambient noise environments
— Wall-mount ability
• Brand line insert to provide for special company logos
M3820
The M3820 Meridian digital telephone supports the following features:
• Handsfree, On-Hook Dialing and Group Listening
• Dedicated Release and Hold keys
• Message Waiting and Speaker/Mute Indicators
• Headset Socket
• 2 x 24 character display
• 20 Feature keys including:
— Store/program key
— 13 system programmable keys
— Handsfree/speaker key
— Mute key
— Directory key
— Caller’s List key
— Edit key
— Delete key
• Volume control for:
— Handset/Headset
— Ringing Tone
— Buzz Tone
— On-Hook Dialing and Group Listening
— Handsfree