perpetual

  1. Michael Menor

    Questions about v15.5 SP6 and upgrading to v16

    We've got several PBXs still on v15.5 SP6. Over a dozen of them are for a single client and are running 4SC Standard. I think v16 was released around early 2018, and with that the "Bridging" feature was no longer available on the Standard license and only available in Pro and Enterprise. That...
  2. AustinM95

    Unable to use a SMTP server other than 3CX's

    OS: Windows 10 Professional License: Standard Annual 15.5 I'm unable to use the dropdown option to select my own SMTP server. It's grayed out. (See Picture). This would be fine if the 3CX SMTP server worked. When I press TEST I receive the error "AuthenticationInvalidCredentials 5.7.0 Denied"...
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