[. . . ] SyncMaster VC240 Video Conference System User Guide Information in this user guide is subject to change without prior notice for performance improvement. i Copyright The color and design may differ depending on the model, and specifications are subject to change without prior notice for performance improvement. You are prohibited from unauthorized use or reproduction of any of the information in this user guide without prior approval from Samsung Electronics Co. , Ltd. · SyncMaster and the Samsung logo are registered trademarks of Samsung Electronics Co. , Ltd. · Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation. [. . . ] 5 Select OK to save the new settings. . SIP Data Transmission To make calls using the SIP user name mode, configure the settings as follows: 19 3. 2 Data Transmission Mode . In SIP you can use both name and number in URI for dialing. . a) Set SIP Proxy Server to On. 3 Set Network Preference to SIP. . H. 323 and SIP modes cannot be used at the same time. To change the current H. 323 mode to SIP, set Network Preference to SIP. NAT Traversal You can make or receive a call while being connected to ADSL or Cable router from home or office. The system will use Network Address Translation from internal IP to External IP. The system will use external HTTP server to discover the external IP to be used. The external IP could be changed without note by Internet Service Provider. 3 Set NAT Traversal to Yes. . 3. 3 Call Settings Call Quality You can adjust the sharpness of your image that is shown to the remote caller. 4 Use NAT Auto Discovery on for system to discover it's external public IP automatically. . . 5 Following OK, discovered external public IP will be displayed. . . 6 Use NAT Auto Discovery off for manual enter public IP address. . to open the Setup screen, and go to Call Control. When NAT Traversal is set to Yes then Gatekeeper and H. 460 Traversal must be set to Off and vise versa. 7 On Network select H. 323 Settings and set Gatekeeper and H. 460 Traversal to Off. . . 8 On Network select Ports Conflagrations and verify the system . TCP/UDP configured ports are enabled in the router. When using NAT Traversal you need to set router to port forwarding. . The following screen will appear. . indicates that the LAN cable is not connected. Correct the LAN cable connection if this symbol appears at the top right corner of the screen. Change the IP address if this symbol appears at the top right corner of the screen. . Use Max Bandwidth to configure the call resolution high definition or . standard definition and call frame rate. For 1024 kbps and above HD 21 3. 3 Call Settings resolution, max frame rate will be used. . For instance, a picture of you waving a hand will appear delayed for a remote caller. PLC will be used in case SVC is not active or not supported by remote system. . 5 A bad network connection sometimes corrupts the picture, which appears as a mosaic, during a call. [. . . ] Enter a new password in . the Change PIN field. to open the Setup screen. . 3 Set Functions Lock to On. . 52 6. 4 Reset Settings 6. 4 Reset Settings You can return the monitor to its default settings: . 1 Press . 6. 5 Software Update You can update the monitor software over the network. System supports two ways of software upgrade: By pushing the software to the SCOPIA VC240 from iVIEW NMS server or an external Windows (XP, 7)-based PC using the upgrade utility. [. . . ]