Tuesday 7th September 2021

Replacement date: upgrade firewall traversal CPL, scheduled 3 years ago

Dear customer, In order to counteract the increased amount of spam, we will improve our spam blocking mechanisms. This means, that in future calls can only be made to systems known to MVC. Firewall traversal registered systems can still reach all systems (dial-out). There should be no impact to regular calls.

Maintenance reason: In order to counteract the increased amount of spam, we will improve our spam blocking mechanism Affected service: VMR/PMR Management Expected service impact: There should be no impact to regular calls. Periods specified: Sep 10th 2021, 7:00 PM - 10:00 PM.

Internal Change-ID: 048

If there are further questions concerning these works, please contact our service desk by e-mail to support@mvc.de or by phone call on +49 69 633 99-111.