Shop by Brand: Cortelco

Provides headset interface for phone without a headset jack
Adjustable amplification of headset transmit and receive
Powered by 12V power supply (included) or 2 AA batteries (optional)
Headset On/Off button
Mute button
Headset volume control
In-use indicator LED
3 RJ11 ports for headset, telephone handset, and telephone

- Large Backlit LCD with adjustable contrast
- Memory Dialing; 4 one-touch and 10 two-touch memory
- Caller ID Type 2 (Caller ID on Call Waiting)
- Last Number Redial
- Speakerphone
- Desk/Wall Mountable

- Cortelco loud external ringer
- Compact design
- Visual ring indicator
- Low/high volume control
- Phone and line jack

- Loudspeaker designed for use with a standard telephone set, permitting a group of people to overhear both sides of a telephone conversation
- Combination volume control and on-off switch is provided on the front panel
- Loudspeaker encased in a plastic housing available in color and equipped with a 4-conductor 9 ft cord
- External power supply of 18-22 volts AC or DC required

- Cortelco Orator desktop speaker
- Allows for listening to conversation through speakerphone
- Use with Cortelco phones or other analog phones without speakerphones

Lower 2.5mm to QD cable
Compatible with Cortelco 12 Series, 9 Series, and 8780 Telephones

- Indoor/Outdoor
- Stainless Steel Body and Keypad
- Hearing Aid Compatible Receiver/Noise Cancelling Microphone
- Lighting Resistant (Tested to ITU-T K.21)
- Waterproof (Rated IP65)
- Telephone Line Powered

- Cortelco Colleague single line corded telephone
- Caller ID
- Call waiting Caller ID: can take the call, send it to voice mail,