Information on the VIBER ISO 20022 migration project availability of test windows Dear Clients, We would like to inform you that the Announcement on the VIBER ISO 20022 migration project availability of test windows has been published, and it is available by clicking on the attachment below. Sincerely,KELER Ltd. Attachments 2025_03_12_Announcement_VIBER ISO 20022 migration project availability of test windows.pdf