8 V7122 GatewayUser GuideIEEE 802.1p/Q (VLANs and Priority) 280Getting Started with VLANS and Multiple IPs 282Reader’s Notes 287C HAPTER 10: A DVANCED PSTN C ONFIGURATION 289Gateway Clock Settings 289ISDN Overlap Dialing 290Using ISDN NFAS 290NFAS Interface ID 291Working with DMS-100 Switches 292Redirect Number and Calling Name (Display) 293Reader’s Notes 294C HAPTER 11: A DVANCED S YSTEM C APABILITIES 295Restoring Networking Parameters to their Initial State 295Establishing a Serial Communications Link with the Gateway 295Automatic Update Mechanism 296Startup Process 298Using Parameter Tables 301Table Indices 301Table Permissions 302Dynamic Tables vs. Static Tables 302Secret Tables 302Using the ini File to Configure Parameter Tables 303Customizing the V7122 Web Interface 305Replacing the Main Corporate Logo 305Replacing the Background Image File 307Customizing the Product Name 309Modifying ini File Parameters Using the Web AdminPage 309Software Upgrade Key 310Backing up the Current Software Upgrade Key 311Loading the Software Upgrade Key 311Verifying that the Key was Successfully Loaded 313Troubleshooting an Unsuccessful Loading of a Key 313Abort Procedure 314Reader’s Notes 315