Configuring extension-to-extension calling between accounts

Account owners and admins can enable extension-to-extension calling between linked accounts within their organization. To enable this feature, admins must specify an account code length and select at least two accounts that have Zoom Phone enabled. When enabled, the account code will be prefixed to extensions associated with each account, allowing users to dial between accounts using the format: [Account code] - [extension number]. The system will also include account codes for extensions from different LinkedOrg accounts in call logs, recordings, voicemails, APIs, and webhooks.

Additionally, users can call, transfer, conference, and send SMS between accounts using extensions. Calls between linked organization accounts are considered internal.

Learn more about linking accounts to an organization.

Requirements for configuring extension-to-extension calling between accounts

• Pro, Business, or Education account
• Account owner or admin privileges
• Zoom Phone license
• At least 2 Zoom Phone-enabled accounts in your organization (including yours)

Limitations for configuring extension-to-extension calling between accounts

Extension-to-extension calling between accounts has the following limitations:

• Only the organization owner can edit this feature.

How to enable or disable extension-to-extension calling between accounts

1. Sign in to the Zoom web portal as an admin with the privilege to edit account settings.
2. In the navigation menu, click Account Management then Account Profile.
3. Under Link accounts to an organization, click the Enable extension calling between accounts toggle to enable or disable it.
   Note: If it's your first time enabling this feature, a pop-up window will appear, prompting you to complete the following actions:
   1. Set the Account call length, then click Next.
      The Account call length determines the number of digits for the account code.
      Note: The account call length supports a maximum of five digits.
   2. Select at least two accounts.
   3. Set the Account code for the selected accounts.
      After assigning the Account code, extensions will be in the format of [Account code]-[original extension number]. Users can dial the original extension number to reach another user in the same account or the full extension number to reach users in other accounts.
      Note: The account code cannot be repeated.
   4. Click Save.

How to edit extension-to-extension calling between accounts

1. Sign in to the Zoom web portal as an admin with the privilege to edit account settings.
2. In the navigation menu, click Account Management then Account Profile.
3. Under Link accounts to an organization, locate the Enable extension calling between accounts setting.
4. Click the pencil icon to edit the extension-to-extension calling.
   A pop-up window will appear.
5. In the window, edit the following information:
   • Select at least two accounts.
     Notes:
     • To the left of Account name, select the checkbox to select all accounts in the window.
     • To remove accounts, deselect the checkboxes next to the accounts you want to remove.
   • Set the Account code for the selected accounts.
     After assigning the Account code, extensions will be in the format of [Account code]-[original extension number]. Users can dial the original extension number to reach another user in the same account or the full extension number to reach users in other accounts.
     Note: The account code cannot be repeated.
   • (Optional) Click Edit Account call length to set the account call length.
6. Click Save.

How to view the account code in site settings

1. Sign in to the Zoom web portal as an admin with the privilege to edit account settings.
2. In the navigation menu, click Phone System Management then Company Info.
3. Click the applicable site name from the list.
4. Click the Profile tab.
5. To the right of Account Code, view the account code.
   Note: The account code is prefixed for all extensions within an account. After assigning the account code, extensions will be in the format of [Account code]-[Site code]-[Short extension number]. Users can make a Zoom Phone call between accounts using extensions with an account code.