Internet Protocol (IP) Related FeaturesServer ConnectionThis PBX supports the connection to the following servers, allowing for enhanced efficiency and recordkeeping:– SNMP Server:Allows for users assigned as SNMP managers to manage and receive PBX system status information,such as local alarm information and general system activity using Simple Network ManagementProtocol (SNMP).– SNTP Server:Allows for the PBX to automatically receive and update the time setting using Simple Network TimeProtocol (SNTP).– DHCP Server:Allows for this PBX to receive IP addresses from a Dynamic Host Configuration Protocol (DHCP)server.Peer-to-peer ConnectionIntercom calls can be made between peer-to-peer compatible IP extensions allowing for communicationwithout using the PBX’s VoIP resources.Networking FeaturesThis PBX supports the following networking features:Voice over Internet Protocol (VoIP) NetworkThe PBX can connect to another PBX via a private IP network. In this case, voice signals are convertedinto IP packets and sent through this network. Automatic rerouting of VoIP calls to public trunks is alsoavailable, in case of network difficulties.TIE Line ServiceA TIE line is a privately leased communication line between two or more PBXs, which provides costeffective communications between company members at different locations.Virtual Private Network (VPN)VPN is a service provided by the VPN service provider. It uses an existing public line as if it were a privateline.QSIG NetworkQSIG is a protocol based on ISDN (Q.931) and offers enhanced PBX features in a private network of twoor more connected PBXs.External Device SupportThe following are just a few of the many useful optional devices available to enhance your telephony system:Portable Station (PS) FeaturesPSs can be connected to this PBX. It is possible to use the PBX features using the PS like a PT. This PBXsupports basic CSs (allows up to 4 PSs to be on a call simultaneously) as well as high-density CSs (allowsup to 8 PSs to be on a call simultaneously). A PS can also be used in parallel with a wired telephone(Wireless XDP Parallel Mode). In this case, the wired telephone is the main telephone and the PS is thesub telephone.Cellular Phone Features (KX-NCS4910 required)This PBX supports the use of cellular phones destinations with the PBX. In combination with the use ofcertain features such as Virtual PS, DISA, and XDP Parallel mode, cellular phones can make and receivecalls as if they were registered extensions.Phone Assistant (PA) Pro SeriesThis PBX supports Phone Assistant Pro Series applications, a collection of highly-intuitive CTI applicationsthat allow you to use your PC to access a variety of PBX features conveniently and efficiently. PA ProInstallation Manual 211.1.1 System Highlights