Multi-apartment gateway for sending video intercom calls to VIP internal stations, Smartphones/Tablets on which the Comelit App is installed, GSM and landline phones after subscribing to the service of a SIP provider. Requires an Internet connection with adequate bandwidth. To use the functions of a 1456B, it is necessary to purchase separately as many licenses as there are apartments to be served. The 1456B can manage 3 types of licenses Master, Slave and Phone. Each license can be purchased in 5 different sizes (1, 10, 50, 100, 200) and can be added at any time. The art. 1456B manages up to 400 Master licenses or up to 200 Slave or Phone licenses. For each apartment, it is possible to forward the call to a maximum of 15 different devices depending on the type of devices and the available transmission bandwidth. The gateway is equipped with 1 Ethernet port for connection to the VIP system network and 4 ports for connecting internal units and routers, including one PoE port, two ports with selectable POE and one non-POE port. It is also equipped with a 40-56V DC power input. Dimensions 70 x 90 x 62mm (4 DIN modules).