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Webex Calling Extensions - add support for 10 digit extensions

Would like to do away with internal extensions and use 10 digits across the board. Currently, Webex Calling has a limit of 6 digits for the webex extension.

  • Guest
  • Sep 7 2022
  • Already exists
  • Admin
    Alec Walker commented
    22 Jan 01:44pm


    A workspace must be assigned EITHER a phone number or an extension. There is no requirement that you MUST assign a workspace an extension. You can assign an E.164, an extension, or both. I'm going to close this request, but feel free to add comments if I'm misunderstanding your request.

  • Guest commented
    19 Sep, 2022 12:45pm

    We are using Webex calling for common area phones - thus we are configuring as "Workspace" instead of "User". According to the TAC agent I was working with, the Extension field is required when provisioning a Workspace phone.

  • Tracy Gilman commented
    19 Sep, 2022 12:28pm

    Hi Mike, Sanjay reviewed your comments - he writes - The E.164 can be configured while configuring calling capabilities for a user. The extension field is optional. There is no ask here that i can think of. Please clarify. Thank you.

  • Guest commented
    16 Sep, 2022 12:27pm

    What I meant was that we should be able to use the E.164 number as the extension. In other words, we are trying to eliminate 4-6 digit inter-site extension codes altogether and just go with the full 10 digit number. To put it another way, allow up to 10 digits in the extension field (it is currently set to 6 digits max).

  • Tracy Gilman commented
    16 Sep, 2022 12:08pm

    On behalf of Sanjay Sinha's review, status has been changed to need more information. If extensions are 10 digit, then combined with 4 digit inter-site extension code, the extension length will become 14 digits. That is more than what is allowed in E.164 numbers. What is the reason to have 10 digit extensions?