Appendix E: M3110, M3310, and M3820 telephones Page 465 of 504
Telephones and Consoles Description, Installation, and Operation
• Directory/Caller’s List with 9 dedicated keys namely:
— Directory, Callers, Edit, Delete, 4 cursor and Dial
• Support for the following terminal options:
— MCA data option to provide integrated voice and data
— External Alerter for high ambient noise environments
— Wall-mount ability
— Add-on Key Expansion Modules (2 maximum)
• Brand line insert to provide for special company logos