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MagicJack VOIP sound cuts in and out

I have a MagicJack VOIP device and the sound cuts in and out. I've beenonline with 4 techs from MagicJack, and they keep acting like my computer is the issue. I have high speed broadband, download speeds 2800kbps upload about 200kbps, AMD Athlon 1.09 GHz, 512 RAM Windows XP home SP2, NVIDIA nForce audio.

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  • Pavlova33030 Dec 03, 2008

    I also have a MagicJack VOIP device whose sound cuts in and out I have high speed broadband, AMD Athlon 64 x2 dual core 3600+, 1.9 GHz, 4M RAM, Windows Vista business, SP1, Realtek High Definition Audio.

  • hsobel Dec 24, 2008

    I have the same problem only under 64 Vista. The machine is tweaked has 2MB ram getting 4. A 4GIG readyboost drive with xtra highspeed flash memory.The stuttering seems to happen under even a light load on the dual core CPU. as soon as an application comes up Magic Jack or Windows Audio can't seem to process the audio.

  • Anonymous Jan 09, 2009

    I have this same problem and can not fix it any suggestions

  • Anonymous Jan 22, 2009

    The people on the other end can hear the person on MJ, but not the other way round.

  • 608marin22 Mar 23, 2009

    cuts in and out! can't make call's! it just ****'s!

    my e-mail is!

    marin reyna

    1906 greenway cross#3

    fitchburg,wi. 53713

  • Anonymous Apr 23, 2009

    Ill try the TCP optimizer. I'm running a Magicjack from my old P4 2.6 w/2gb RAM. It usually runs perfectly. Although sometimes it is all messed up *incoming audio*. I'm going to blame my computer and inorrect settings. Hopefully this will clear up any issues. Thanks.


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MJ ran fine for me from July 2008 to October 2009, when choppiness and cutouts started and continue to today. This is a MJ network problem, there is no fix in your own computer, as I have tried everything - computers, internet speeds, headset with phones unplugged, other Magicjacks. The MJ servers have just become overloaded. MJ is dead.

Posted on Dec 13, 2009

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I just bought a new computer, a mac, and bought the magic jack hoping to have a reliable home phone family and friends could call me on.  But ever since I hooked it up(which was easy to do) my calls cut in and out every call I made-over and over again.  Every call.  Not just here and there.  Anyways, I was reading other people's complaints and it seems that a lot of other people are experiencing this as well. I have Verizon DSL at the midgrade speed-something like 3.0 mps.  Fast enough for MagicJack.  What I was doing was running the supplied router that came with the Verizon package which included a built-in wireless router to run my computer with without the cables(of course).  So I did a lot of research, didn't even call customer support, and someone out there gave me the solution I needed without calling. That person suggested that I not use the wireless and hardwire it instead using an ethernet cable.  Granted, this does have its drawbacks, but ever since I did that every call has been perfect.  So, some of you may be able to get away with cheap home phone service withreliability just by using the ethernet cable instead of the wireless router.  Heck, if its close enough, keep a spare ethernet cable close by, unplugged from your computer(still using the wireless) and when a call does come, quickly hook in the ethernet cable for a near perfect call with no cutting in and out problems.  This is a solution that worked for me and maybe for some of you out there too.  Good luck.

Posted on Mar 20, 2009

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Hello, I'm a newb techsupport from mJ. Our team lead has told us about that problem. If you have meet all the requirements in your Internet Connection and Operating Systems then your problem might be with your USB ports. Try plugging it to a different USB port. If it doesn't work, you can try using an AC powered USB hub to supply more power for your magicJack. If you plugging a regular phone in your mJ, try using a different phone.

For MAC users, mJ will only function properly if you have and Intel based MAC with a minimum version of 10.4.10 or above.

Posted on Apr 19, 2009

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If you were running magicjack in Xp without a problem, then you should run it in XP compatibility mode on a Vista 64 machine. However, this does not guarantee that it will not interfere with your audio; some audio drivers are incompatible with magicjack. For instance: my Realtek High definition Audio drivers were incompatible with magicjack; I had to revert to Microsoft drivers to end the conflict. IF YOU RUN MAGICJACK IN COMPATIBILITY MODE, THERE IS NO NEED TO DOWNLOAD THE UPGRADE FOR VISTA FROM THE MAGICJACK WEBSITE. Just plug the unit into a USB port and the necessary software will download automatically. If you are using headphones, then use Magicjack's menu option (Volume/headset control) to select your speakers, microphone and ringing devices; the handset is the default interface. If you already have lost control of your speakers then:
1. Download Magicjack uninstall software; run this software as an administrator (right click on short cut).
2. Use your Command Prompt or Run screen and type in Regedit. Do a search on "magicjack" and eliminate all references to same in the registry; some will not allow you to erase them - just ignore these.
3. Make sure that you magicjack is disconnected from the computer
4. Reboot
5. Resolve aforementioned audio problems; remember, your audio drivers may be the source of your problem. Use devise manager to uninstall your audio device (Control panel/System/Device Manager/Sound...). Let windows install new driversautomatically (DO NOT USE THE DRIVER CD THAT CAME WITH THE SYSTEM ELSE YOU WILL BE LOADING THE SAME PROBLEMATIC DRIVERS). Once your audio system is up and running, plug in your magicjack and follow the suggestions above.

Please keep in mind that this is just a general fix for problems arising from the conflict between magickjack and your audio drivers. Reverting to Microsoft drivers may reduce the functionality of your sound system, but it will allow you to run Magicjack on your Vista 64 system with workable audio.

Posted on Nov 10, 2009

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MagicJack® Set Up

After you have connected the device for the first time and registered the device, you should probably run TCP Optimizer to “tune” your computer to work with it in an efficient manner; it can be downloaded from the following website:

You can use the TCP Optimizer by following these short instructions:

  1. Choose your maximum Connection Speed from the slider bar (the maximum available bandwidth, in kilobits per second)
  2. Choose your Network Interface, or check to Modify All Network Adapters
  3. Pick "Optimal settings" from the radio-buttons near the bottom of the program
  4. Click on the "Apply changes" button and reboot

MagicJack® Uses

  1. Inexpensive Secondary Telephone Service
  2. Excellent adjunct to expensive prime time and/or poor indoor Cellular Telephone Service
  3. Distribute magicJack® phone number to all contacts as primary contact number
  4. When outdoors have the magicJack® phone number forwarded to cell phone
  5. When indoors use magickJack® phone number to reach and be reached by contacts

MagicJack® Support

Main Office: (561) 594-2140 this is just a recording telling you where to get support, you can leave a message if you want.

Support: (281) 404-1551 open from 11am to 8pm EST

Posted on Dec 13, 2008

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Phone cuts off

Posted on Jan 12, 2013

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Posted on Jan 02, 2017

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2 Answers

Why can I receive calls but barely hear dial tone or hear them?

click on the speaker icon on your computer and check playback and recording level.. also make sure that the sound device is magic jack and not your internal sound card


Apr 16, 2015 | Uniden Cordless Phone


How to connect your VOIP phone service (IE Vonage, MagicJack, Via Talk) to...

Are you tired of being tied down to your computer area to use your VOIP phone service (IE Vonage, MagicJack, Via Talk or ITP)? Here is a way to make your existing home phone jacks work with your VOIP.


Items you will need-
  1. An existing home telephone jack near your VOIP service modem.
  2. A screwdriver
  3. A telephone cord long enough to reach from the VOIP service jack to the existing phone jack.

So hopefully I haven't scared you off from trying this tip since it is fairly simple to do but complements of lawsuit happy America I had to cover the disclaimers....

Let's get started...

First thing you need to do is to locate the main telephone junction box to your home usually located outside near the power meter. Here are some pics of some standard used boxes.5124c69.jpg
There is a screw keeping the customer access door closed. Loosen this screw and open the access door to expose the home wiring. Note: this screw does not usually come completely out. To set you at ease, yes it is completely legal for you to access this portion of the box. The portion that you are not supposed to access is restricted by a security bolt and can not be opened with a normal screwdriver.

Once you have the access door open there are two types of commonly used connections.

  1. The most common is one similar to this picture. Disconnect the lines attached to the test jacks.
    If you have more than one line here then loosen the screw terminals one at a time and place the wires from the other lines to the same terminals on Line 1 so all jacks in the home should be available.
    Note: there may be a cover over where the screw terminals are for where LINE 1or 2 are, simply pull the cover toward you to expose the terminals.

2) The second style is very similar to the first but the area where the screw terminals are has a plastic rectangular bar about 2 inches long and 1 inch wide with telephone lines attached to it (often times Red and Green or Blue and White/Blue). If you have this style of connection push the side of the bar closest to the center of the box and then pull outwards and to the right this should expose the "Test Jack". Once the bar has been extended twist it 1/4 turn counterclockwise to remove it from its mounting bar. Use caution not to disconnect the phone wires attached to the bar.

Almost there and now the hardest part should be done.

Now return to where the VOIP modem is located and remove the telephone cable for the phone that was being used for your VOIP service.

Connect the new phone cord to the same outlet that the phone was connected to on the VOIP modem and then connect the other end to the home phone jack.

If you still want to connect a phone to the jack you are connecting to here then a simple telephone line splitter plugged into the jack will fix that.

Now try to connect a phone to any of the phone jacks in your home and you should have dial tone. Note that most phone service is made to comfortably handle 4 phones that connect to a phone jack.

on Jan 16, 2010 | Lands Phones

1 Answer

Magicjack support

If this is the stand alone unit, I don't know how they work. But the other kind must be plugged into your computer to work, the computer must be left on and connected to the internet because it works on what is called VOIP (Voice Over Internet Protocal). No internet connection, no phone.

Apr 12, 2014 | Lands Phones

1 Answer

My magicjack plus keep cutting me off while in conversation

Most times the problem will be fixed in several ways.....
1. unplug your magicjack, wait 15 sec and plug it back in
2. unplug the magicjack and plug it back into another port

Feb 13, 2012 | Lands Phones

1 Answer

MagicJack wont activate ringer on my phone...

Some phone models may be incompatible with this Voip type service. Are you using Uniden and which model and or an extremely old phone?

Aug 24, 2009 | Lands Phones

2 Answers

MagicJack, Regarding beeping (sounds like keypad touch) problem

If you notice, you will see random digits entering into your magic Jack's number dialing pad by itself.

I guess this is due for poor software writing on the part of magic Jack's driver in your PC that must be sharing (or leaks from) a memory region or register on your PC. It could also be due to using a poor choice of register address, DMA address, or Interrupt number in your PC by Magic Jack Driver. This problem seems to have been introduced by their new software update in late June 2009.

Magic Jack should solve this problem, but they have poor support. They may not even know about this and other problems with USB Port Letter Reservation. I am sick of watching their promotional video (the guy, his children and the two dogs!) on their site when I am searching for a tech support email or a phone number.

[Randy Rasti]

Jul 03, 2009 | Lands Phones

3 Answers

After 3 months my MagicJack stopped working. I have this same problem with 3 different MagicJack devices: after dialing a few numbers successfully, when I dial the next number I hear only 1 or 2 rings then...

Likewise I had the same problem, spent 3 days and on hold for 2 hours at a time, told the tech who was doing a live link into my computer suddenly went on break, then was gone for the day...their TECHNICAL SUPPORT IS A NIGHTMARE...and no, we still do not have a solution to our phone and went through alllllll the same gyrations!

Mar 14, 2009 | Lands Phones

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MagicJack VOIP sound cuts in and out

Unfortunately you tend to get what you pay for... I have Cable and speedtest at 20mbps / 6mbps im running an athalon II black ed 3.1 overclocked and even with my torrent client down it still breaks up my voice..... VOIP SUCKS..............................

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Phone doesn't ring on incoming calls

i cannot fix the number of times for the ringer on my vetch phoneset

Oct 19, 2008 | Vtech Cordless 6041 Phone

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Nikkai VoIP funky internet phone - software problem?

I installed a U.S. Robotics VoIP phone on a Vista Laptop and had exactly the same problem.

The reason why it happens is because a VoIP phone contains a microphone and speaker. Windows Vista/XP senses the microphone and speaker as two seperate entities. It then sets them both as the default microphone and speaker. You won't notice this being done until you get the 'Index out of bounds (1)' error.

Simply go to the control panel, and look for the sound/speaker/audio device option, then the sound and audio devices, click on the audio tab and make sure the 'sound playback' and 'sound recording' default devices are that of the laptop/pc and not of the VoIP phone.

Hopefully that should solve the problem.


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