Question about AT&T Lucent MLX-10 Black Speaker Phone

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At&t model mlx-10d telephone

I just want to know how to do something very easy, but apparently not so obvious for the common folk. And that is change the time on my phone. Can you help?

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We have a Merlin System, the phones are MLX-10D, we have to dial outgoing calls 3-4 times before the call will go through. Now we're receiving complaints that incoming calls are just ringing and we don't...

Sounds like one (or more) of your lines are out in your telephone system. Each time you press a 9 for a line the system simulates a dialtone to see what your dialing next so it can check it against the automatic route selection table. After it checks, it pulls a line out of a pool group to complete the call. At this point its grabbing a line that is not working on the system.The best way to figure out which ones arent working is to check the lines on the main console by pressing each line button and seeing if it produces dialtone. More than likely(but not allways) its going to be a line problem from your dialtone provider.

Sep 21, 2010 | Lucent Merlin Legend MLX-10D Phone

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For the most part, the answer is "you can't". An MLX phone's extra port can operate a 3156-MFM module and derive the extra extension. There may be some conditions, like no DTMF receiver, and a few other problems.

I didn't ever sell one, but here's a link to a search

You can pick one up for as little as $50 on eBay.


May 04, 2010 | Lucent Merlin Legend MLX-10D Phone

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agent Voicemail box says it is almost full but only has 4 saved messages? Any thoughts or suggestions?

Mar 11, 2010 | Lucent Merlin Legend MLX-10D Phone

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How to change extensions

If you can find the box that controls the phones you can unplug the phone there at the box and plug it into a different jack on the same controler box.

Jan 21, 2009 | Lucent Merlin Legend MLX-10D Phone

1 Answer

New guy with a project ( lucent MLX-10D)

On the Merlin Mail system the password is usually either the same as the extension or 779. Let me know.

Jan 15, 2009 | Lucent Merlin Legend MLX-10D Phone

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Need to change extension names on a MLX-20l phone

A label can have a maximum of seven characters.
To administer Labels for Extensions from the System Programming console:
  1. Press Menu.
  2. Press System Program.
  3. Press Exit or Start.
  4. Press More or Right Arrow Key.
  5. Press Labeling.
  6. Press Directory.
  7. Press Extension.
  8. Dial the extension number that you want to administer.
  9. Press Enter.
  10. Press Drop.
  11. Enter the label information for the extension number selected.
  12. Press Enter.
  13. Press Exit or Back.
  14. Press Home or Exit to exit programming mode.
Note: When programming on the system programming console, use the buttons next to the display to specify the letters A through I and punctuation. Use the line/feature buttons to specify additional alphanumeric characters for labels. Use the template provided with the System Programming console to see which line buttons correspond to which alphanumeric characters,

Jan 13, 2009 | Lucent Merlin Legend MLX-10D Phone

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I am trying to change my password and greeting on my phone. can you help me with this?

A password needs to be changed in Merlin Mail, but we can't get the original password to work. How do we change this so someone else can use it?

Dec 01, 2008 | Lucent Merlin Legend MLX-10D Phone

2 Answers

Time change

You can try my picture tutorial on how to set the time using the big phone here:


Dec 06, 2007 | Lucent Merlin Legend MLX-10D Phone

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