27 SAS Configuration .......................................................................................... 297
27.1 General SAS Configuration .................................................................................. 297
27.1.1 Enabling the SAS Application ................................................................................297
27.1.2 Configuring Common SAS Parameters .................................................................297
27.2 Configuring SAS Outbound Mode ........................................................................ 300
27.3 Configuring SAS Redundant Mode ...................................................................... 300
27.4 Configuring Gateway Application with SAS ......................................................... 301
27.4.1 Gateway with SAS Outbound Mode ......................................................................301
27.4.2 Gateway with SAS Redundant Mode ....................................................................303
27.5 Advanced SAS Configuration ............................................................................... 304
27.5.1 Manipulating URI user part of Incoming REGISTER .............................................304
27.5.2 Manipulating Destination Number of Incoming INVITE .........................................306
27.5.3 SAS Routing Based on IP-to-IP Routing Table .....................................................308
27.5.4 Blocking Calls from Unregistered SAS Users........................................................313
27.5.5 Configuring SAS Emergency Calls ........................................................................313
27.5.6 Adding SIP Record-Route Header to SIP INVITE .................................................314
27.5.7 Re-using TCP Connections ...................................................................................315
27.5.8 Replacing Contact Header for SIP Messages .......................................................315
27.6 Viewing Registered SAS Users ............................................................................ 316
28 SAS Cascading ................................................................................................ 317
Maintenance ...........................................................................................................319
29 Basic Maintenance .......................................................................................... 321
29.1 Resetting the Device ............................................................................................ 321
29.2 Remotely Resetting Device using SIP NOTIFY ................................................... 322
29.3 Locking and Unlocking the Device ....................................................................... 323
29.4 Saving Configuration ............................................................................................ 324
30 Resetting an Analog Channel ........................................................................ 325
31 Software Upgrade ............................................................................................ 327
31.1 Loading Auxiliary Files ......................................................................................... 327
31.1.1 Call Progress Tones File .......................................................................................329
31.1.1.1 Distinctive Ringing ................................................................................. 331
31.1.2 Prerecorded Tones File .........................................................................................333
31.1.3 Dial Plan File ..........................................................................................................334
31.1.3.1 Creating a Dial Plan File........................................................................ 334
31.1.3.2 Dialing Plans for Digit Collection ........................................................... 334
31.1.3.3 Obtaining IP Destination from Dial Plan File ......................................... 336
31.1.4 User Information File .............................................................................................337
31.1.4.1 User Information File for PBX Extensions and "Global" Numbers ........ 337
31.1.4.2 Enabling the User Info Table ................................................................. 339
31.2 Software License Key .......................................................................................... 339
31.2.1 Obtaining the Software License Key File ...............................................................340
31.2.2 Installing the Software License Key .......................................................................341
31.2.2.1 Installing Software License Key using Web Interface ........................... 341
31.2.2.2 Installing Software License Key using BootP/TFTP .............................. 342
31.3 Software Upgrade Wizard .................................................................................... 343
31.4 Backing Up and Loading Configuration File ......................................................... 346
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