xi
Configuring other parameters of a local number ···························································································· 588
Configuring advanced settings of a call route ·········································································································· 589
Configuring coding parameters of a call route ································································································ 589
Configuring other parameters for a call route ································································································· 590
Advanced settings configuration example ················································································································ 591
Configuring out-of-band DTMF transmission mode for SIP ············································································· 591
SIP-to-SIP connections ·············································································································································· 593
Configuring media parameters for SIP-to-SIP connections ······················································································· 593
Configuring signaling parameters for SIP-to-SIP connections ·················································································· 594
Configuring dial plans ············································································································································ 596
Dial plan process ························································································································································· 596
Regular expression ······················································································································································· 597
Dial plan functions ······················································································································································· 599
Number match ····················································································································································· 599
Call control ··························································································································································· 600
Number substitution ············································································································································ 600
Configuring dial plan ·················································································································································· 601
Configuring number match ································································································································· 601
Configuring call control ······································································································································ 602
Configuring number substitution ························································································································ 606
Dial plan configuration examples ······························································································································ 608
Configuring number match mode ······················································································································ 608
Configuring the match order of number selection rules ·················································································· 610
Configuring entity type selection priority rules ································································································· 613
Configuring call authority control ······················································································································ 617
Configuring number substitution ························································································································ 620
Call connection ······················································································································································· 628
Introduction to SIP ························································································································································ 628
Terminology ························································································································································· 628
Functions and features of SIP ····························································································································· 629
SIP messages ························································································································································ 630
SIP fundamentals ················································································································································· 630
Support for transport layer protocols ························································································································· 633
SIP security ···································································································································································· 633
Signaling encryption ··········································································································································· 634
Media flow encryption ········································································································································ 634
TLS-SRTP combinations ········································································································································ 635
Support for SIP extensions ··········································································································································· 635
Configuring SIP connections ·································································································································· 636
Configuring connection properties ····························································································································· 636
Configuring registrar ··········································································································································· 636
Configuring proxy server ···································································································································· 638
Configuring session properties ··································································································································· 638
Configuring source address binding ················································································································· 638
Configuring SIP listening ···································································································································· 640
Configuring media security ································································································································ 641
Configuring caller identity and privacy ············································································································ 642
Configuring SIP session refresh ·························································································································· 643
Configuring compatibility ··································································································································· 643
Configuring advanced settings ··································································································································· 645
Configuring the address hiding mode ·············································································································· 645
Specifying the outbound proxy ·························································································································· 645