How do I set up an AT&T Marathon Headset with a Cordless Phone?

Updated on Feb 7, 2024

AT&T Marathon TL7610 headset setup diagram

AT&T Marathon Setup:

1. Plug power cord into headset base (and wall)

2. Plug splitter into the wall jack (splitter has 2 available ports)

3. Plug Tel wall jack into the AT&T Base and the other end into the splitter

4. Phone line will go into the cordless phone base and the other end into the splitter

5. Set to NO LIFTER MODE

6 Compat on D

7. Headset needs to charge for 6 hours before 1st use

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What is Headset Answers?

This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.

Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)

Looking for office headsets in the UK? Check out Headsets.co.uk.

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