Question about Comdial DSU II (DSUIISW05)

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Speaker light stays on - Comdial DSU II (DSUIISW05)

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Press ICM button
Dial # 1
hould shut off light its the background music feture
and you must not have music on your system

Posted on Mar 23, 2008

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Un plug your answering machine and plug it back in. If this does not work, try replacing the ac adapter (power cord)

Posted on Feb 19, 2008

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Posted on Jan 02, 2017

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We loose our auto attendant greeting everytime we lose power.

I suggest getting a battery back up or UPS for this system. If it is a 12 volt system, it should be relatively inexpensive to get one installed. Call a security system installer or a trusted electrician to give you an estimate on a battery backup. If you have one, your system will stay active for up to 24 hours during a power failure. Your Callpilot uses volatile memory, which clears when power is not supplied. If you had a battery backup, it would never lose power and your greeting will stay on it.

Thanks for asking.


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No sound in my computer

These are steps to ‘setup’ and ‘restore the "Audio Drivers.” Part (1) Click on the "Start" button, go to, and click in the (right, pane), the Control Panel. “Scroll to find, "Ease of Access (or) Speech Recognition Options.” Next, select Replace sound with visual cues." In the See also: (Category), click, on “Audio Devices, and Sound Themes.” Click on the, 'Playback' button, select the 'Active' Speakers.” Select, Configure to: "Audio channels" The (Speaker Setup) "wizard,” appear! Select (Test) click, the “Next” button. Follow the instructions. Part (2) Click 'Properties' change the "sound"(Level). “Select 'Enhancements', "Apply" changes. “The (Advanced), “not recommended!” In, the (“Controller Information”) block, click on the, Properties to "update" Drivers. “Check to see if, Device usage: (enable) if not? “ Change it.” *Note: Click "OK" to all changes, “Save and ‘Apply to finish” “Did this solution help? If so, Helpful Rating Feedback, appreciated thanks paul7 f9”

Jan 07, 2010 | Computers & Internet

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Got a flat screan monitor from my sister and connected it to my computer, it has inbuilt speakers but no sound is cuming out of them, the monitor has no volume controll and i have checked the volume...

Have you connected your audio to the monitor?
If you want to get the sound to the monitor, you have to connect it to your computer like you would connect external speakers. Look at this monitor for example. Scroll down the page an you will see the connections like this:

What you need is a cable that looks like this:

You can get it around 5$ (here and here) or at your local Radio Shack or Bestbuy.

If you have any more questions, just come back here and leave a comment - I'm happy to help.

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1 Answer

Can't hear when the call is on speaker.

Try two things. Ensure the system has set this phone up for handfree activation.

lastly, if you can not hear a dial tone through the handfree unit then you may have a bad speaker

Oct 10, 2008 | Comdial DSU II (DSUIISW05)

2 Answers


it means your sound drivers are working ok.
check your speakers on other device if working fine then check connetion cable of speaker that is green socket for voice out

Mar 24, 2008 | Computers & Internet

1 Answer



Sep 29, 2007 | Computers & Internet

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