# Cox Voice Equipment Guide ## The gear behind your home phone service ## Phone headset To use all your Cox Voice features, make sure your handset supports DECT 6.0 and features like Call waiting. DECT 6.0 comes with tons of perks, like: ### Saving power DECT 6.0 gives you more range without using more power, so it's as good on calls as it is on costs. ### HD sound Hear your friends like they're in the same room, even from across the country. ### Wiretap protection Chat with friends, knowing no one else is listening. ### Better range Take your calls to new places with better range on the latest phone system. ### Zero network interference No interference means no interruptions and no more of that awful buzzing noise. ## All-in-one modem To use Cox Voice, you'll need an eDVA, which is an all-in-one Wifi modem and phone adapter. Don't worry, we'll give you one when you sign up. ## No power? No problem. If there's an outage, just stick a battery in your modem to use your phone and e911 service. [Battery questions?](https://www.cox.com/residential/support/telephone-equipment-battery-questions-and-answers.html) ## Cox voice equipment FAQs ### How do I install batteries? You can [install the batteries yourself](https://www.cox.com/residential/support/installing-a-telephone-modem-battery.html), or you may have the option of having a Cox technician install the batteries for you. Professional installation is available at checkout. ### How do I check the status of my batteries? It's smart to check the battery status of your telephone equipment on a regular basis. There's a battery indicator light on the front of your modem. You can see what the light is saying about your battery [here](https://www.cox.com/residential/support/telephone-equipment-battery-questions-and-answers.html). ### How long do batteries last? Backup batteries can provide up to eight hours of standby service or up to four hours of talk time using a corded telephone that doesn't need power and is directly connected to the modem's jack. ### Where can I buy batteries? You can buy batteries when you first sign up for Cox Voice or anytime at [one of our retail locations](https://www.cox.com/residential/contactus.html). ### How do I use my phone during a power outage? In an outage, your corded phone will work using your backup battery, but cordless phones require an additional power source, which is why we recommend keeping a corded phone around to use whenever you lose power. Also, make sure you keep non-emergency calls to a minimum during a power outage to prolong the life of your battery. Get more information [here](https://www.cox.com/aboutus/policies/phone-modem-battery-policy.html). ### How do I install my phone equipment? For printable instructions and to assist with self-installation [read our setup sheet](https://www.cox.com/residential/support/easy-connect-kits-and-user-guides.html). ## Related topics - [Features and settings](https://www.cox.com/residential/phone/learn/voice-features-and-settings.html) - [Voicemail](https://www.cox.com/residential/phone/learn/voicemail.html) - [Spam blocker](https://www.cox.com/residential/phone/learn/spam-blocker.html) - [Learn about phone features](https://www.cox.com/residential/phone/learn.html) - [Get phone support](https://www.cox.com/residential/support/phone.html) - [Shop Voice plans](https://www.cox.com/residential/support/troubleshooting-voice-mail.html) ## About Voice See [Cox Digital Telephone service details](https://www.cox.com/residential/phone/learn/voice-equipment.html#aboutVoiceService). See important [Cox Digital Telephone Power Outage](https://www.cox.com/aboutus/policies/phone-modem-battery-policy.html) usage information. See important information in the [Residential Customer Service Agreement](https://www.cox.com/aboutus/policies/customer-service-agreement.html) for full coverage details. See [Annual Notice Information](https://www.cox.com/aboutus/policies/annual-privacy-notice.html) for related information and your privacy rights as a Cox customer. For all Cox Communication policies regarding our services and business practices visit [www.cox.com/aboutus/policies.html](https://www.cox.com/aboutus/policies/customer-service-agreement.html). *Call anyone, anytime in the U.S., Canada, Mexico, China, Hong Kong, India, Norway, the European Union (Austria, Belgium, Bulgaria, Croatia, Republic of Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, United Kingdom) and U.S. territories (Puerto Rico, U.S. Virgin Islands, North Marianas/Guam, American Samoa). Includes calls to Mexico that terminate on mobile phones for no additional charge.