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8x8 Support

Setting up Cross-PBX dialing in 8x8 Admin Console


Setting up extension-to-extension dialing between PBXs.


Note: It is optional to use PBX Dial codes, as cross-site dialing can be used between PBXs

How to Configure Cross-Site Dialing in 8x8 Admin Console

Applies To

  • 8x8 Admin Console accounts with multiple PBXs


  1. Log in to 8x8 Admin Console.
  2. Select Company.
  3. Locate List of PBX(s) at the bottom of the page.
  4. Click Edit (pencil). 
  5. In the box that appears, type the desired numerical dialing code.
  6. Click Save.
  7. Repeat steps 4 through 6 for each PBX.

Note: All PBX dialing codes within an account must be unique.

Dialing with PBX Codes

The scenarios below explain how you would dial extension 1001 with a PBX code of 22 on your account.


Dialed Extension

Within the same PBX 1001
Between different PBXs 221001
Between different 8x8 accounts Not supported, you must use the extensions DID
Dial by extension through an auto attendant 1001


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