The default extensions in 8x8 Virtual Office start at 1001. The Change Extension Numbers feature allows you to change a selected individual extension number, or customize multiple extensions at once. You can change the extensions to eight-digit numbers, for example, or start at 2001. You can enter a new extension number, or simply use auto-suggest for the system to suggest one. The Extension Usage Map on the right side of the screen provides a list of available and reserved extensions for your reference.
To change extension numbers:
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