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Setting the outbound fax caller ID to a number that is not included?

  • March 31, 2022
  • 3 replies
  • 624 views

I have the instructions from the knowledge base:

https://support.ringcentral.com/article/Set-Caller-ID-Outgoing-Fax-RingCentral-Online-Account.html

But the fax line for the site I am trying to configure is not an available option. How do I make it appear in the list?

Best answer by Mary-Community_Moderator

Have you checked if the number is a Fax Number?

Go to Phone System > Phone Numbers > All Numbers.

Take note that numbers assigned to other extensions can't be used as your Outbound Fax Caller ID.

3 replies

Mary-Community_Moderator
Community Manager
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Are you the admin on the account?


Mary-Community_Moderator
Community Manager
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Have you checked if the number is a Fax Number?

Go to Phone System > Phone Numbers > All Numbers.

Take note that numbers assigned to other extensions can't be used as your Outbound Fax Caller ID.


  • Author
  • New Participant
  • March 31, 2022

It is assigned to the fax line's extension. Can I not make other user's outbound caller ID show as the main inbound number?