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General Info on Cortelco 2720 (DISCONTINUED)

The Cortelco Phone is DISCONTINUED! Good-bye, old friend!

To access the phone manual: (press no caps before copy and pasting)

(Please note, you must hit the Clear Caps button above this text box to get a working link to copy. All-caps link does not work!)

Cortelco 2-line telephone

Works with any of our wireless or corded options. Works with lifters too.

Caller ID, call waiting caller ID

99# 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


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 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

Hi, I'm Kyle!

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Kyle Newgent
Headset Blogger