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User guides for setting up and using your Digital Voice for Business IP phone

User Guides for Digital Voice phones | BT Business

Learn how to set up your Digital Voice for Business, the Digital Voice for Business portal, and your phones from BT Business.

Setting up Digital Voice for Business | BT Business

Getting started

Need help with Digital Voice for Business? Learn about features such as voicemail, handsets, managing calls, and much more.

I need help with | BT Business

I need help with...

Get help fixing problems with Digital Voice for Business.

Fix problems | BT Business

Troubleshooting

Learn more about Digital Voice for Business, the Digital Voice for Business portal, and your phones from BT Business.

About Digital Voice for Business | BT Business

About Digital Voice for Business

Find out how to contact us about Digital Voice for Business. Contact us if you need to fix a fault, deal with bills, or check an order.

Contact us about Digital Voice for Business | BT Business

Contact us about Digital Voice for Business

Learn about Digital Voice for Business, Digital Voice for Business portal , and how to use the extensive features from BT Business.

Guide to Digital Voice for Business | BT Business

Guide to Digital Voice for Business

Using the Business portal

Manage your handsets, features and call routing with the Digital Voice for Business Portal.

How to use the Digital Voice for Business Portal | BT Business

How to use the Digital Voice for Business portal

Moving over my existing number (number porting)

Find out how to move over your existing phone number using number porting.

Number porting | BT Business

Number porting – moving your existing number to Digital Voice for Business

Connecting a Digital Voice for Business phone

Simple steps to set up your IP Phone on Digital Voice for Business.

How to connect a Digital Voice phone | BT Business

How to connect a Digital Voice for Business phone

User guides for Digital Voice for Business phones

Learn how to run the Digital Voice for Business Network Assessment Test 

Find out if you can get Digital Voice for Business | BT Business

How to run a network assessment test before ordering Digital Voice for Business

LAN and Firewall

Find out how to set up your LAN and Firewall for Digital Voice for Business.

How to configure LAN and Firewall | BT Business

How to configure LAN and Firewall

Switching off SIP ALG to fix calling issues

SIP (Session Initiation Protocol) ALG (Application Layer Gateway) is an application within many routers. Routers will often have SIP ALG activated by default. Find out how to switch off SIP ALG on Digital Voice.

How to switch off SIP ALG on Digital Voice | BT Business

How to switch off SIP ALG on Digital Voice for Business

Setting up new users

Everything you need to know about setting up new users on Digital Voice for Business.

Your guide to Digital Voice for Business

Get help with Digital Voice for Business

What do you need help with?

User guides for Digital Voice for Business phones

Additional support