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General Info on Cortelco 2720 - Manual and Guide

Cortelco corded landline phone for headsets

Firstly, here is the Cortelco 2720 Manual

Now we can talk about all the awesome features this office phone has!

Cortelco 2-line telephone facts and features

  • Works with any of our wireless or corded options. Works with lifters too.
  • Caller ID, call waiting caller ID
  • 99 number Memory
  • Wide angle, adjustable, backlit (blue) LCD display
  • Voice mail indication
  • Mute with LED indicator
  • Hold with LED indicator
  • PBX hold (programmable)
  • On hook pre-dial (through speaker)
  • Directory button (save up to 99 names and numbers)
  • 5 One touch and 5 two touch speed dial memory locations with up to 24 digits
  • Programmable flash
  • Conference
  • Enhanced redial for last 10 numbers
  • Handset receiver volume control (4 levels)
  • Programmable ring tones (10 positions)
  • Programmable ring volume (off to 7)
  • Programmable VIP alert
  • Data port
  • Speakerphone
  • Speakerphone volume control (8 levels)
  • DTMF dialing (what is DTMF? Search for it in Answers)
  • Programmable area code
  • 2.5mm & modular RJ9 headset jacks ( For RJ9,Please use Sennheiser Quick Disconnect Easy Connect Cord, 26716
  • Wall mountable

Time for a new headset?

Many Cortelco phone users have switched to the Leitner LH270!

Hi, I'm Kyle!

I manage this blog. Feedback, comments, compliments, criticisms, or any other questions? I'll take them all!

Kyle Newgent wearing a Leitner office headset

Kyle Newgent
Headset Blogger