Top Helpful Questions


What equipment is required to use DexterVOIP Service?

To use DexterVOIP Service, you'll need a DexterVOIP gizmo which DexterVOIP will mail to you for free when you sign up. To purchase and hold a DexterVOIP account you'll need a valid credit card. You also must have a broadband connection such as high-speed cable or DSL. Your modem speed will need a minimum upstream and downstream capacity of 120 kbps. Test your broadband speed now.

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Can I keep my current phone number if I sign up for DexterVOIP Service?

Yes, most numbers qualify for transfer to Dexter VOIP however there are some limitations. You can initiate the transfer process by logging into your new account at www.dextermo.net, going to the Member Account Manager section and clicking on "Transfer Number".

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Does DexterVOIP provide 911 (emergency dialing) service?

DexterVOIP provides Enhanced 911 service at no extra charge. DexterVOIP was the first VoIP company to provide Enhanced 911 as an automatic benefit with any service plan. The safety of our members is important, and we have built a network that supports the most sophisticated 911 technology available to the VoIP industry.

With Enhanced 911, your call is routed to the Public Safety Answering Point (PSAP) supporting the service address you registered with your account. The emergency operator receives the name, address, and origination phone number of the caller. With this service, the caller does not need to verbally give their location to the operator.

While Enhanced 911 is the most advanced form of Emergency Dialing Service available, there are some limitations when it is provided by a VoIP provide such as DexterMO Internet. Therefore, you should always have an alternative means of accessing emergency service.

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Do I speak through my computer to use your service?

No. DexterVOIP Service operates independently of the computer. You do need a broadband connection via cable or DSL. DexterVOIP is easy to install and once you have it installed; all you will need to do is pick up the handset and talk as you would normally.

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How do I make and receive calls?

Simply pick up the telephone and make calls like normal. You'll need to dial the area code and phone number for all calls outside of your area code. If the number you are calling has the same area code as your DexterVOIP Household Number, all you need to do is dial the last 7 digits of the number, no area code needed. You do not need to dial a "1" for long distance calls, but if you dial a "1" out of habit, your call will still go through. In turn, when you hear your phone ring, pick up the receiver and start talking, same as always.

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How does the sound quality compare to my current phone?

You'll find the quality is typically better than a cell phone and usually as good as a landline. You may experience some hiccups in sound quality if your broadband connection is running slowly or if your bandwidth is stretched with additional data (sending or receiving files from your PC at the same time). Three-way calling may also cause some disruptions if your modem speed is not at least 180 kbps.

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I have not received my FastRewards Choice Certificates—who do I contact?

DexterVOIP works with a third party vendor that will fulfill all FastRewards Choice Certificate award redemptions. If you have questions or concerns about your redeemed award please contact 1-866-601-5921.

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Learn More About Keeping Your Existing Number

in our Frequently Asked Questions

Learn More


DexterVOIP Enhanced Voicemail      User Guide


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