Appendix ................................................................................................................403
41 Dialing Plan Notation for Routing and Manipulation .................................... 405
42 SIP Message Manipulation Syntax ................................................................. 407
42.1 Actions ................................................................................................................. 407
42.2 Header Types ....................................................................................................... 407
42.2.1 Accept ....................................................................................................................407
42.2.2 Accept-Language ...................................................................................................408
42.2.3 Allow ......................................................................................................................408
42.2.4 Call-Id.....................................................................................................................409
42.2.5 Contact...................................................................................................................409
42.2.6 Cseq .......................................................................................................................410
42.2.7 Diversion ................................................................................................................410
42.2.8 Event ......................................................................................................................411
42.2.9 Expires ...................................................................................................................412
42.2.10 From .......................................................................................................................413
42.2.11 History-Info ............................................................................................................413
42.2.12 Max-Forwards ........................................................................................................414
42.2.13 Min-Se and Min-Expires ........................................................................................415
42.2.14 P-Asserted-Identity ................................................................................................416
42.2.15 P-Associated-Uri ....................................................................................................416
42.2.16 P-Called-Party-Id ...................................................................................................417
42.2.17 P-Charging-Vector .................................................................................................418
42.2.18 P-Preferred-Identity ...............................................................................................419
42.2.19 Privacy ...................................................................................................................419
42.2.20 Proxy-Require ........................................................................................................420
42.2.21 Reason...................................................................................................................421
42.2.22 Referred-By ...........................................................................................................422
42.2.23 Refer-To .................................................................................................................422
42.2.24 Remote-Party-Id ....................................................................................................423
42.2.25 Request-Uri ............................................................................................................425
42.2.26 Require ..................................................................................................................426
42.2.27 Resource-Priority ...................................................................................................427
42.2.28 Retry-After .............................................................................................................427
42.2.29 Server or User-Agent .............................................................................................428
42.2.30 Service-Route ........................................................................................................428
42.2.31 Session-Expires .....................................................................................................429
42.2.32 Subject ...................................................................................................................430
42.2.33 Supported ..............................................................................................................431
42.2.34 To ...........................................................................................................................431
42.2.35 Unsupported ..........................................................................................................432
42.2.36 User-To-User and X-UserToUser ..........................................................................433
42.2.37 Via ..........................................................................................................................434
42.2.38 Warning .................................................................................................................435
42.2.39 Unknown Header ...................................................................................................435
42.3 Structure Definitions ............................................................................................. 436
42.3.1 Event Structure ......................................................................................................436
42.3.2 Host ........................................................................................................................437
42.3.3 MLPP .....................................................................................................................437
42.3.4 Privacy Struct .........................................................................................................437
42.3.5 Reason Structure ...................................................................................................437
42.3.6 SIPCapabilities ......................................................................................................438
42.3.7 URL ........................................................................................................................438
42.4 Random Type ....................................................................................................... 439