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PCN and PSN notifications

Avaya issues a product-change notice (PCN) if any software update. For example, a PCN must accompany a service pack or a update that must be applied universally.Avaya issues product-support notice (PSN) when there is no update, service pack, or release fix, but the business unit or services need to alert Avaya Direct, Business Partners, and customers of a problem or a change in a product. A PSN can also be used to provide a work around for a known problem, steps to recover logs, or steps to recover software. Both these notices alert you to important issues that directly impact Avaya products.