35 SAS Configuration .......................................................................................... 503
35.1 General SAS Configuration .................................................................................. 503
35.1.1 Enabling the SAS Application ................................................................................503
35.1.2 Configuring Common SAS Parameters .................................................................503
35.2 Configuring SAS Outbound Mode ........................................................................ 506
35.3 Configuring SAS Redundant Mode ...................................................................... 506
35.4 Configuring Gateway Application with SAS ......................................................... 507
35.4.1 Gateway with SAS Outbound Mode ......................................................................507
35.4.2 Gateway with SAS Redundant Mode ....................................................................508
35.5 Advanced SAS Configuration ............................................................................... 510
35.5.1 Manipulating URI user part of Incoming REGISTER .............................................510
35.5.2 Manipulating Destination Number of Incoming INVITE .........................................511
35.5.3 SAS Routing Based on IP-to-IP Routing Table .....................................................514
35.5.4 Blocking Calls from Unregistered SAS Users........................................................519
35.5.5 Configuring SAS Emergency Calls ........................................................................519
35.5.6 Adding SIP Record-Route Header to SIP INVITE .................................................520
35.5.7 Re-using TCP Connections ...................................................................................520
35.5.8 Replacing Contact Header for SIP Messages .......................................................521
35.6 Viewing Registered SAS Users ............................................................................ 522
36 SAS Cascading ................................................................................................ 523
IP Media Capabilities .............................................................................................525
37 Transcoding using Third-Party Call Control ................................................. 527
37.1 Using RFC 4117 ................................................................................................... 527
Data-Router Configuration ....................................................................................529
38 Introduction ..................................................................................................... 531
39 Getting Acquainted with Data Configuration Pages .................................... 533
39.1 Working with Tables ............................................................................................. 533
39.2 Using the Configuration Buttons .......................................................................... 534
40 WAN Access .................................................................................................... 535
40.1 Configuring Ethernet WAN Interface .................................................................... 535
40.2 Configuring SHDSL WAN Interface ..................................................................... 537
40.3 Configuring ADSL/2+ and VDSL2 WAN Interface ............................................... 540
40.4 Configuring 3G/3.5G Cellular WAN Access ......................................................... 541
40.5 Configuring Multiple WAN Backup ....................................................................... 542
41 Firewall and ACL ............................................................................................. 543
41.1 Configuring Port Forwarding ................................................................................ 543
41.2 Configuring Website Restrictions ......................................................................... 545
41.3 Configuring NAT ................................................................................................... 546
41.4 Configuring the Access List .................................................................................. 548
41.5 Configuring Advanced Filtering ............................................................................ 550
42 QoS ................................................................................................................... 551
42.1 Configuring General QoS Settings ....................................................................... 551