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Appendix E: M3110, M3310, and M3820 telephones Page 467 of 504
Telephones and Consoles Description, Installation, and Operation
• Handsfree/speaker key yes yes yes
• Mute key yes yes yes
• Directory key yes no no
• Caller’s List key yes no no
•Edit key yes no no
• Delete key yes no no
Volume control for:
• Handset/Headset, Ringing Tone, Buzz Tone,
On-Hook Dialing and Group Listening
yes yes yes
• Handsfree yes yes no
Directory/Caller’s List with dedicated keys for
Directory, Callers, Edit, Delete, 4 cursor and Dial
yes no no
Terminal options:
• MCA data option to provide integrated voice and
data, External Alerter for high ambient noise
environments, Wall-mount ability
yes yes yes
• Add-on Key Expansion Modules (2 maximum) yes no no
Brand line insert to provide for special company logos yes yes yes
Note: The location of the buttons used to activate and interact with these features is shown in
Figure 97 on page 469.
Table 76
Meridian digital telephone general features (Part 2 of 2)
Feature M3820 M3310 M3110