How to Upgrade an Old Apartment Intercom to IP Without Rewiring: Step-by-Step
Upgrading an old apartment intercom to a modern IP system no longer requires tearing down walls, replacing every cable, or disrupting residents for weeks. With the right retrofit technology, you can deliver full IP functionality—video calling, mobile access, remote management—using the existing 2-wire cabling already inside your building. This step-by-step guide shows you how. Many…
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