Akuvox S532 is a smart retrofit SIP video door phone designed to seamlessly upgrade legacy analog intercom systems. It combines modern IP-based functionality—with SIP support and keypad entry—with an embedded IP-to-analog conversion module, allowing direct integration into existing analog infrastructure. Featuring a 2.8″ color display and compact form factor, S532 is ideal for residential apartment buildings undergoing intercom modernization. It supports standard intercom functions like two-way audio communication and keypad access while preserving compatibility with existing analog wiring. Available in both standard and induction-loop versions, and compatible with optional mounting brackets and weatherproof covers, S532 offers a cost-effective, hassle-free path to intelligent intercom upgrades in multi-dwelling environments.