AudioCodes Mediant 4000 SBC User Manual page 10

21.9.9 Interworking SIP re-INVITE to UPDATE ................................................................481
21.9.10 Interworking Delayed Offer ....................................................................................481
21.9.11 Interworking Call Hold ............................................................................................481
21.9.12 Interworking SIP Via Headers ...............................................................................482
21.9.13 Interworking SIP User-Agent Headers ..................................................................482
21.9.14 Interworking SIP Record-Route Headers ..............................................................482
21.9.15 Interworking SIP To-Header Tags in Multiple SDP Answers ................................482
21.9.16 Interworking In-dialog SIP Contact and Record-Route Headers ...........................482
22 Enabling the SBC Application ........................................................................ 483
23 Configuring General SBC Settings ................................................................ 485
23.1 Interworking Dialog Information in SIP NOTIFY Messages ................................. 485
24 Configuring Admission Control ..................................................................... 487
25 Routing SBC .................................................................................................... 491
25.1 Configuring Classification Rules .......................................................................... 491
25.1.1 Classification Based on URI of Selected Header Example ...................................498
25.2 Configuring SBC IP-to-IP Routing ........................................................................ 499
25.2.1 Configuring Rerouting of Calls to Fax Destinations ...............................................511
25.2.2 Configuring Specific UDP Ports using Tag-based Routing ...................................512
25.3 Configuring SIP Response Codes for Alternative Routing Reasons .................... 516
25.4 Configuring SBC Routing Policy Rules ................................................................ 518
25.5 Configuring IP Group Sets ................................................................................... 523
26 SBC Manipulations .......................................................................................... 527
26.1 Configuring IP-to-IP Inbound Manipulations ........................................................ 529
26.2 Configuring IP-to-IP Outbound Manipulations ...................................................... 533
26.3 Using the Proprietary SIP X-AC-Action Header ................................................... 539
27 Configuring Dial Plans .................................................................................... 541
27.1 Importing and Exporting Dial Plans ...................................................................... 546
27.2 Creating Dial Plan Files ........................................................................................ 549
27.3 Using Dial Plan Tags for IP-to-IP Routing ............................................................ 550
27.3.1 Using Dial Plan Tags for Matching Routing Rules ................................................550
27.3.2 Using Dial Plan Tags for Routing Destinations .....................................................551
27.3.3 Dial Plan Backward Compatibility ..........................................................................554
27.4 Using Dial Plan Tags for Outbound Manipulation ................................................ 555
27.5 Using Dial Plan Tags for Call Setup Rules ........................................................... 557
27.6 Using Dial Plan Tags for Message Manipulation ................................................. 557
28 Configuring Malicious Signatures ................................................................. 559
29 Advanced SBC Features ................................................................................. 561
29.1 Configuring Call Preemption for SBC Emergency Calls ...................................... 561
29.2 Emergency Call Routing using LDAP to Obtain ELIN .......................................... 562
29.3 Enabling Interworking of SIP and SIP-I Endpoints ............................................... 563
29.4 WebRTC .............................................................................................................. 566
29.4.1 SIP over WebSocket ..............................................................................................568
29.4.2 Configuring WebRTC .............................................................................................570
29.5 Handling Registered AORs with Same Contact URIs .......................................... 573
29.6 Configuring Dual Registration .............................................................................. 573
User's Manual 10
Mediant 4000 SBC
Document #: LTRT-40203