Domestic Intercom System with Dynamic Lock is a Multi level voice guided unit that has the facility to restrict In-Coming calls. Skylink Communication manufactures Domestic Intercom System with Dynamic Lock. Skylink Communication also offers telecom products like digital display, alert system, broadcasting systems, door sensor, alarm system, leak detection system and identification system. The Domestic Intercom System with Dynamic Lock comes with features like Discriminative Ring, Auto disconnector and call transfer.