User extensions not only allow your internal team to quickly dial out to each other but can also be used to route callers to your team quickly via the dial-by extension directory on your Main Line, Department, or Contact Center.
Let's take a closer look at extension dialing.
Who can use this
Extension dialing is available on Enterprise plans.
To enable this feature, please contact our Customer Care team.
Extensions are configured at the Company Level, and can be used on individual and shared lines.
Extension parameters
Extensions only work between team members within the same Company, unless you set up a dial-by extension directory
Extensions can be 3, 4, 5, or 6 digits long, with five digits being the default. Contact Customer Care if you'd like to use a 3, 4 or 6-digit extension.
Add an extension
Extensions can be added to new and existing team members.
To add an extension for a user with a DID, go to your Dialpad Admin Settings.
Navigate to Office Settings > Users
Beside the team member, select Add license > Add extension

Enter a 5-digit extension number

Select Save
Edit an extension
To edit an extension for a user with a DID, go to your Dialpad Admin Settings.
Navigate to Office Settings > Users
Locate the team member, then select Add license > Edit Extension

Enter a new extension

Select Save
Remove an extension
To remove an extension for a user with a DID, go to your Dialpad Admin Settings.
Navigate to Office Settings > Users
Beside the team member, select Add license > Edit Extension

Select Remove Extension

In the confirmation window, select Remove

Shared line extensions
Note
Extensions without a DID can only be used internally. They can’t be used for any external PSTN dialing.
To add an extension for a shared line with a DID, go to your Dialpad Admin Settings.
Navigate to a Shared Line and select Options > Add Extension

Enter a 5-digit extension
Select Save
You can also create extensions for a Department or Contact Center without a DID.
To add an extension without a DID, go to your Dialpad Admin Settings.
Note
Extensions without a DID can only be used internally. They can’t be used for any external PSTN dialing.
Navigate to the Department or Contact Center to want to add the extension to
Under Department Info or Contact Center Info, navigate to Phone Number(s)

Select Add Extension
Enter an extension number
Select Save
To edit an extension without a DID, go to your Dialpad Admin Settings.
Navigate to the Department of Contact Center that you want to edit the extension for
Under Department Info or Contact Center Info, navigate to Phone Number(s)

Select Edit Extension
Enter a new extension number
Select Save
To remove an extension to a shared line without a DID, go to your Dialpad Admin Settings.
Navigate to the shared line that you want to edit the extension for
Under Department Info or Contact Center Info, navigate to Phone Number(s)

Select Edit Extension
Select Remove Extension

In the confirmation window, select Remove

Change or remove a shared line extension
To change or remove an extension for a shared line, go to your Dialpad Admin Settings.
Navigate to a Shared Line and select Options > Edit Extension

Enter a different 5-digit extension, or select Remove Extension
More information
Read our Extension FAQs for more details on using extensions.
Emergency & special service extension numbers
Don’t use these certain global emergency and special service numbers as phone extensions in these regions to prevent accidental calls to emergency and/or special services.
North America
Country | Number |
|---|---|
Canada |
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United States |
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Latin America
Country | Number |
|---|---|
Argentina |
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Brazil |
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Chile |
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Colombia |
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Costa Rica |
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Dominican Republic |
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Ecuador |
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Mexico |
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Panama |
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Puerto Rico |
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Europe
Country | Number |
|---|---|
Austria |
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Belgium |
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Bulgaria |
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Croatia |
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Czechia (Czech Republic) |
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Denmark |
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Estonia |
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France |
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Finland |
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Germany |
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Greece |
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Hungary |
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Ireland |
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Italy |
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Lituania |
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Luxembourg |
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Netherlands |
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Norway |
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Poland |
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Portugal |
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Romania |
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Russia |
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Slovakia |
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Spain |
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Sweden |
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Switzerland |
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United Kingdom (UK) |
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Africa
Country | Number |
|---|---|
South Africa |
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Asia
Country | Number |
|---|---|
Australia |
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Hong Kong |
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India |
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Indonesia |
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Israel |
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Japan |
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Malaysia |
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New Zealand |
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Philippines |
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Singapore |
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South Korea |
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Turkey |
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Vietnam |
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Bulk Manage Extensions with a CSV
Companies using the Enterprise Support Portal can add, update, or clear extensions for Users, Rooms, Departments, Contact Centers, and Offices using a single CSV upload. Learn more.