I received an "Invalid Number" error after entering the fax number of the recipient. :

I received an "Invalid Number" error after entering the fax number of the recipient. Print

Modified on: Sun, 7 Oct, 2018 at 2:15 PM

It looks like you are sending a fax to a shared cost number.

Our providers have blacklisted these numbers because of the extra costs that incur from sending a fax to this number.

Please try an alternative number of the same recipient.