Question about Mitel Superset 4015 Corded Phone

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No dial tone

When the handset is removed from the base unit there is no dial tone. The phone can receive and make calls when the buttons are pressed.

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The feature you are looking for is called "prime line" or "Line preference" but not "ringing line preference". It is not usually on by default on a multi-line business phone system. Your system can do this but I suspect it's a system programming feature and not something you can set yourself. You would have to have the phone system administrator make the change. Or you may pay an installation company to make programming changes?

Posted on Jul 07, 2007


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After the base unit died I was able to restore power by switching out the power adapter of one of the handsets with the one on the base unit. However, when the power was restored to the base, none of the handsets that previously worked were getting a dial tone. I could only use the phone from the base unit. To fix the handsets I first reset the base unit by pressing the reset button with the tip of a pen on the bottom of the base phone then momentarily removed and reinstall the battery on each of the handsets to allow each to reset individually. In doing so, I got the dial tone back on all previously linked handsets without having to reregister them.

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The phone lights up when put to charge also the red light on the base,, but when the phone line is connected it wont work ..What do u think is the problem?

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1) When the phone is in standby mode, press and hold the caller id/menu key.
2) Press the vol/ / key three times to select Dial.
3) Press the select key to toggle between Tone and Pulse.
4) Press the end key or return the handset to the base unit to complete the setting. The handset returns to standby mode.

This phone also has a feature that allows you to use Pulse dialing to make calls, but allows you to switch to tone dialing for automated systems (like “Please Press 1 for English) here are the steps for that:

Initially make your call with the pulse dialing mode. Once your call connects, press
the */tone key. Enter the desired number. These digits will be sent as tone dialing.
Once the call ends, the tone mode is canceled and pulse dialing mode resumes.

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A lot of my customers are complaining about not being able to reach me in my office.

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Handset ?No Link To Base? error and no dial tone

2/29 Have you registered or re-registered the handset?
"No link" can mean handset is not accepting radio wave of base unit. At Mfgr website pull-down operator's manual and look for registration instructions. Some sequence of buttons will create a radio signal from base (have handset off base) then another sequence of buttons on handset will accept radio signal. If handset has "menu" button, try "menu", then "00" (zero zero) then select an accept or "OK" button. Good luck.

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