1.1 Safety NoticesPlease observe the safety notices in this manual in order to avoid danger to users or other people, and preventdamage to property.The notices are classified as follows, according to the severity of injury or damage:WARNING This notice means that misuse could result in death or serious injury.CAUTION This notice means that misuse could result in injury or damage to property.1.2 Overview1.2.1 Using IP Proprietary Telephones on a Local Office LANPanasonic KX-NT series IP proprietary telephones (IP-PTs) allow voice communication over the data networkby converting the voice into data. The following diagram shows a simple Voice over Internet Protocol (VoIP)network using the IP-PTs at the local office.NoteThe example illustrations in Sections 1 and 2 use the KX-TDA200 PBX and IP-EXT16 card.DHCP ServerIP-PTExtn. 101IP-PTExtn. 102SwitchingHubHybrid IP-PBXwith an IP-EXT cardPCNetwork ParametersYou will need to have the following IP addressing and QoS information to use IP-PTs on your network. Thisinformation is typically supplied by a network administrator.The numbers in the table below are given as examples. Consult your network administrator for specific values.Parameter DescriptionExample EntryIP-PT Extn. 101 IP-PT Extn. 102IP-PT IP AddressIdentifies the location of IP-PTs on thenetwork. Each IP-PT must have a uniqueIP address.192.168.0.101 192.168.0.1024 Information about IP Proprietary Telephones1.2.1 Using IP Proprietary Telephones on a Local Office LAN