Answer
Sep 14, 2026 - 02:02 PM
A SIP door phone is a communication device that integrates with a VoIP network using the Session Initiation Protocol (SIP) to enable audio or video calls from a door or entrance. It allows users to remotely manage access to a building by communicating with visitors and unlocking doors via their phones or other connected devices. This technology is commonly used in residential, commercial, and industrial settings for enhanced security and convenience.
