Advanced digital phone service

Get crystal-clear sound quality and more than 30 calling features over a reliable network for business connection.
$24/mo. per line plus taxes and fees When you bundle with an eligible internet plan*

*Min. $50/mo. + taxes & fees for internet. Ltd. availability/areas. **An additional per minute rate may apply for international calls terminating on mobile phones.


Digital Phone Service to Fit Your Business Needs

The Key Solution offers a variety of phone solutions to help your business stay connected and running efficiently. Explore service options with fast, secure, cost-effective internet access that gives you the power to choose a service that works best for your business.


Key Solution Phone for Business is voice service provided over an Internet Protocol (VoIP) digital connection that transmits calls across our highly secure IP network using either Internet for Business or Business Fiber broadband service.

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The Key Solution Phone For Business
Top features to enhance your teams productivity
Address book
Access from anywhere via the online portal. Store, edit, and search your entire contacts list. Plus, create group distribution lists to send group voice messages.
All call forwarding
Transfer all your incoming calls to another telephone number.
Call blocking
Block up to 100 numbers from ringing through to your phone.
Call protecting
Automatically block calls from likely spammers and scammers.
Call screening
Allows inbound calls dialed from a list of up to 20 designated numbers only to ring through.
Caller ID blocking
Blocks your listed name and number on all outgoing calls.
Locate me
Program up to four additional numbers/devices to ring simultaneously.
Get a transcript of voicemails that you can forward to an e-mail address.
Three-way calling
Add a 3rd party to your current call so everyone can talk at once.
View all 30+ advanced and traditional features
Frequently asked questions
AT&T Phone for Business is voice service provided over an Internet Protocol (VoIP) digital connection that transmits calls across our highly secure IP network using either AT&T Internet for Business or AT&T Business Fiber broadband service.
While the best phone service depends on your individual team’s needs and preferences, there are plenty of great reasons to choose AT&T Phone for Business. AT&T Phone for Business includes unlimited calling in the U.S., plus calls to Mexico, Canada, and U.S. territories, more than 30 advanced and traditional calling features like Voice-to-Text transcription.
AT&T Phone for Business includes 30+ advanced and traditional calling features to help you effectively manage inbound and outbound calling. Traditional features include Caller ID, Call Waiting, Call Forwarding, and Three-way Calling. Advanced features include Locate Me, Flexible Caller ID, and Voicemail-to-Text transcription.* *Caller ID may not always be available for all calls.
AT&T Phone for Business works with most existing analog phones, including analog Key Telephone Systems (KTS). This means that you may not need new phone equipment to use the service.
AT&T Office@Hand is a scalable, easy-to-deploy cloud voice solution that meets the changing needs of mobile, distributed workforces by unifying advanced messaging, video meetings, file sharing, and phone capabilities into a single application. Office@Hand enables you to be more productive virtually anywhere, at any time, and on nearly any device.

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