AT&T Marathon Setups (All 4 Setups)

Updated on Mar 1, 2024

There are 4 different setup options for the AT&T Marathon (TL7610)

Yeah, that seems to be a lot. But if you look below this paragraph we will have some ways to find out which setup you need. Have at it!


Figuring out which setup you need

Cordless phone - Setup #1

Multi-line Non-Partner Phone - Setup #2

I don’t have a phone - Setup #3

Partner Phone - Setup #4

AT&T Marathon setup with cordless phone
AT&T Marathon setup as a stand-alone phone


Let's get your Marathon connected!


Set Up# 1: Cordless phone set up (connecting to splitter)

for use with Single line cordless phones

- Put a jack splitter - which is included with unit - into the wall outlet.

- Plug the Tell wall jack cord into the headset base and the other end into the splitter

- Phone line will plug in from cordless phone to the splitter (there is 2 ports in the splitter)

- Set to NO LIFTER MODE



SET UP 2: Multi-line NON-Partner Office Phones

For more information on connecting the Marathon to office phones, check out this article!

Handset Jack:

- Remove the Handset Receiver cord f (curly cord) from the phone and plug it into the headset base

- Plug the Base Jack cord into the headset base and other end into handset jack of the phone

- Set to LIFTER MODE

- Compat on D


Headset Jack:

- Plug the Base Jack cord into the headset base and other end into headset jack of the phone

- Set to LIFTER MODE

- Compat on D



SET UP 3: Stand Alone Telephone (directly into wall jack)

either with dialpad or without

- Connect Tel Wall Jack to phone outlet (if connecting to a phone modem with digital phone service, a DSL filter may be necessary)

- Set to NO LIFTER MODE



Set Up 4: Partner Phone set up (connecting to AUX jack of Partner phone)

(Check out this article for more information!)

- Plug the Tell wall jack cord into the headset base and the other end into the AUX jack on the Partner phone.

-Set to NO LIFTER MODE


Want more information on the AT&T Marathon Setup? Check out the user manual here!

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.

Leitner LH470 Wireless Dongle Headset
Leitner Headsets logo

Ready for a better headset?

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.

Questions/comments?