For KX-UT Series SIP PhonesNoticeWhen you want to use a KX-UT series SIP phone that has already been used with another PBX, or thathas had its settings programmed, you must reset the SIP phone to its factory default before assigning newIP address information as detailed in the following procedure.For details, refer to the documentation for the KX-UT series SIP phone.Assigning the IP addressing information to the SIP phone• Using a DHCP server (DHCP Server feature or an external DHCP server) to automate the assignmentof IP addressing informationThe DHCP server automatically assigns the IP address of the SIP phone, the subnet mask address, andthe default gateway address to the SIP phone.The PBX’s IP address can also be assigned automatically to the SIP phone in the process of beingregistered to the PBX. For details about registering the SIP phone, refer to "5.8.1 Registering IPTelephones".NoteFor information about the DHCP Server feature, refer to "8.1.2 DHCP (Dynamic Host ConfigurationProtocol) Server".• Not using a DHCP server (DHCP Server feature or an external DHCP server) when assigning IPaddressing informationOnly the PBX’s IP address can be assigned automatically to the SIP phone in the process of beingregistered to the PBX. For details about registering the SIP phone, refer to "5.8.1 Registering IPTelephones". The IP address of the SIP phone, the subnet mask address, and the default gateway addressmust be assigned manually. For instructions, refer to the documentation of the SIP phone.Note• When the PBX is not in the same network as the SIP phone, the IP address of the PBX must beassigned manually. For instructions for manually setting PBX network information, refer to"Assigning the IP address of the PBX to a SIP phone".• When assigning IP addressing information to the SIP phone, do not use the phone’s Web userinterface programming.Assigning the IP address of the PBX to a SIP phoneThe IP address of the PBX is automatically assigned to a SIP phone when the SIP phone is in the same LANas the PBX. However, when the SIP phone is in a different LAN from the PBX, the following procedure isrequired to assign the IP address of the PBX manually using the Web user interface.NoticeDo not perform any other operation rather than following procedure with the Web user interface. Otherwisethe SIP phone may not work properly. In that case, contact an authorised Panasonic Factory ServiceCentre.1. Prepare a configuration file to specify the IP address of the PBX.When the SIP Phones are in a segment that uses NAT traversala. Open a text editor on a PC, and then write exactly same as the following:194 Installation Manual5.7.1 Assigning IP Addressing Information
