• This setting is available only when "OFF" isselected for "Static NAT" (Page 112) and"ON" is selected for "Gatekeeper".Making Static NAT SettingsNote• To change the static NAT settings, it isnecessary to configure system settings,including the port number settings. For details,contact your dealer.• These settings can only be made in IP mode(Page 108).• This setting is available only when "IPAddress" is set to "Manual" in "NetworkSettings" (Page 91).1. Login to the administrator menu (Page 105).• The admin menu screen is displayed.2. Press [ ].• The second page is displayed.3. Use [ ][ ] to select "Static NAT Settings" andpress [Enter].• The Static NAT settings screen is displayed.4. Use [ ][ ] to select the following items for input:"Static NAT": Use [ ][ ] to select "ON" or"OFF" (default).Note• To select "ON", "H.460" must be set to"OFF" on the H.323 settings screen(Page 111).• When "ON" is selected, the IP address ofthe WAN side will be displayed for the unitinformation on the Home screen (Page 30)."WAN IP Address": Enter the WAN IP address ofthe router.Note• If the IP address contains 1 or 2 digitnumbers, enter these numbers as they are.Do not enter like [.001].Example: The IP address is [192.168.0.1].– Correct entry: [192.168.0.1]– Wrong entry: [192.168.000.001]"RTP and RTCP for Audio": Enter the initial portnumber (5100–5194) for RTP and RTCP for Audio(default: 5100)."RTP and RTCP for Video": Enter the initial portnumber (5200–5294) for RTP and RTCP for Video(default: 5200)."Camera Control": Enter the initial port number(5300–5394) for controlling a video camera (default:5300)."SIP (2-Point)": Enter the port number for 2-partyvideo conference calls (5000–5099) forcommunication using a SIP server (default: 5060).Note• If the port number is changed, the IPaddress and the changed port number (IPaddress: port number) will be displayed forthe unit information on the Home screen(Page 30)."SIP (Multi-Point)": Enter the port number formultiple-party video conference calls (55000–55099) for communication using a SIP server(default: 55060).Note• This setting cannot be changed when"SIP" is set to "OFF" on the call typesettings screen (Page 109)."H.245": Enter the initial port number for H.245(5500–5595) (default: 5500).Note• This setting cannot be changed when "H.323" is set to "OFF" on the call type settingsscreen (Page 109).• For the following items, a number will beautomatically added to the initial portnumber that you enter. The total numberindicates the range and values of availableport numbers for the items.112 User ManualContacts and Settings