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AT&T Business Voice

Keep Your Phones & Numbers

Keep your existing phone equipment and business numbers while gaining 40+ advanced calling features.

Voice + Utility Lines

One device supports your phones plus fax, fire and security alarms, elevator phones and emergency call boxes.

24-Hour Battery Backup

A built-in battery keeps essential lines working for up to 24 hours during a power outage.

Call Protect & Monitoring

Digital Phone Call Protect blocks spam and robocalls, backed by 24/7 remote monitoring and alerts.

Wireless Failover

Optional automatic failover to AT&T 4G LTE keeps calls going if your broadband connection drops.

Easy Online Portal

Set up a virtual receptionist, simultaneous ring, custom caller ID and voicemail, all from one portal.

Why AT&T Business?

See how ultra-fast, reliable fiber and 5G connectivity, protected by built-in security, give you a new level of confidence in the possibilities of your network. Let our experts work with you to solve your challenges and accelerate outcomes. Your business deserves the AT&T Business difference—a new standard for networking.

Contact your authorized AT&T Solution Provider to learn more.

AT&T Business Voice (ABV) service is a Voice over Internet Protocol (VoIP) service requiring a broadband connection and electrical power to operate. The customer-provided broadband connectivity may be provided by AT&T (e.g., AT&T Business Fiber) or another service provider’s broadband connectivity. Battery backup capability is designed for up to 24-hours backup, subject to operating and environmental conditions. Emergency Calling/911: Emergency calling (911) operates differently with VoIP services (as compared to transitional telephone service) and may not always be available to users of AT&T Business Voice service. Examples include: the underlying broadband connection fails or is interrupted; electrical or battery power is lost to the device or network connection used by ABV; the ABV equipment is relocated or moved without completing the required change order process; 911 is dialed from a location other than the registered location for ABV; or, the ABV registered location is not updated in a timely manner. Customers are required to notify all persons who may place calls using ABV service or may be present at the physical location where ABV services may be used, of the limitations of reaching emergency services. Customers are required to affix warning labels provided in a readily visible place on each piece of equipment that might be used to access or use ABV services. Use of service requires acceptance of applicable agreement terms, the AT&T Business Voice Terms of Service, and applicable 911 acknowledgements.

© 2025 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T intellectual property and/or AT&T affiliated companies. All other marks are the property of their respective owners. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. | 4116662-020625

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