Based on the SIP protocol, GVS has introduced the S-series video intercom system products, which include indoor monitors, outdoor stations, mini outdoor stations, guard units, and a mobile app that enables remote operation. These products support both point-to-point SIP intercom and cloud intercom, utilizing the SIP server. Experience the seamless integration of SIP protocol VDP technology with GVS' S-series video intercom system for advanced and secure communication.