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AT&T 2-Line Speakerphone with Caller ID and Digital Answering System

  • Model: ML17939
  • 2 Lines
  • Caller ID and Call Waiting
  • Speaker Phone
  • Last Number Redial
  • 100 Number Memory
Number of Lines
2 Lines
Additional Features
Caller ID and Call Waiting
Speaker Phone
Speaker Phone
Last Number Redial
Last Number Redial
Memory Dialing
100 Number Memory
Hold Button
Lighted Keypad
Other Features
A practical solution for every home office, the AT&T ML17939 corded speakerphone supports up to two lines and caller ID/call waiting with a 99-name/number caller ID history. You can customize the ringer tones for both lines so it's easy to keep track of who's calling.
Shipping Weight
3 lbs
Warranty Terms - Parts
12 Months
Warranty Terms - Labor
12 Months


Keep business and personal life separate with the ML17939 from AT&T. This corded telephone has two lines, two mailboxes and just one base. Set distinct ringtones for each line to keep them straight, or bring them together with three-party conferencing.




  • 2-Line Operation

    Dial and receive calls on two different phone lines.
  • Digital Answering System

    Digitally records up to 12 minutes of incoming messages, outgoing announcements and memos for each line.
  • Clearspeak® Dial-in-Base Speakerphone

    Allows you to speak and listen without holding the handset. This leaves your hands free to do other things and lets more people in on the conversation.
  • 3-Party Conferencing

    Allows you to have a 3-way conversation between you and 2 other parties.
  • 18-Number Speed Dial

    Stores up to 18 phone numbers for easy dialing.

Additional Features

  • 100 Name and Number Phonebook Directory
  • 99 Name and Number Caller ID History
  • Time and Date Stamp 
  • Remote Access with Toll Saver 
  • Voice Prompts 
  • Memo Recording 
  • Headset Compatible (2.5mm jack)
  • Display Dial 
  • Line Power Mode 
  • Selectable Ringer Melodies for all lines 
  • Line-Status Indicator 
  • Auto Line Selection
  • Chain Dialing 
  • Data Port 
  • Hold 
  • Mute 
  • English/Spanish/French Setup Menu

Interactive Tour

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  1. Caller ID/Call Waiting
  2. 2-Line Operation
  3. Digital Answering System
  4. Clearspeak® Dial-in-Base Speakerphone

Caller ID/Call Waiting

2-Line Operation

Dial and receive calls on two different phone lines.

Digital Answering System

Clearspeak® Dial-in-Base Speakerphone

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