xi
Configuring call forwarding ····················································································································· 209
Configuring call transfer ························································································································· 211
Configuring hunt group ··························································································································· 212
Configuring three-party conference ········································································································ 215
Configuring silent monitor and barge in ································································································· 217
Advanced settings ······················································································· 223
Introduction to advanced settings ·················································································································· 223
Coding parameters ································································································································· 223
Other parameters ··································································································································· 227
Configuring advanced settings of a local number ·························································································· 227
Configuring coding parameters of a local number ················································································· 227
Configuring other parameters of a local number ···················································································· 229
Configuring advanced settings of a call route ································································································ 230
Configuring coding parameters of a call route ······················································································· 230
Configuring other parameters for a call route ························································································· 230
Advanced settings configuration example ····································································································· 231
Configuring out-of-band DTMF transmission mode for SIP ··································································· 231
SIP-to-SIP connections ··············································································· 233
Configuring media parameters for SIP-to-SIP connections ··········································································· 233
Configuring signaling parameters for SIP-to-SIP connections ······································································· 234
Configuring dial plans ················································································· 236
Dial plan process ··········································································································································· 236
Regular expression ········································································································································ 237
Dial plan functions ·········································································································································· 238
Number match ········································································································································ 238
Call control ············································································································································· 240
Number substitution ······························································································································· 240
Configuring dial plan ······································································································································ 241
Configuring number match ····················································································································· 241
Configuring call control ··························································································································· 242
Configuring number substitution ············································································································ 245
Dial plan configuration examples ··················································································································· 247
Configuring number match mode ··········································································································· 247
Configuring the match order of number selection rules ········································································· 250
Configuring entity type selection priority rules ························································································ 253
Configuring call authority control ············································································································ 257
Configuring number substitution ············································································································ 260
Call connection ··························································································· 268
Introduction to SIP ········································································································································· 268
Terminology ··········································································································································· 268
Functions and features of SIP ················································································································ 269
SIP messages ········································································································································ 270
SIP fundamentals ··································································································································· 270
Support for transport layer protocols ·············································································································· 273
SIP security ···················································································································································· 273
Signaling encryption ······························································································································· 274
Media flow encryption ···························································································································· 274
TLS-SRTP combinations ························································································································ 275
Support for SIP extensions ···························································································································· 275
Configuring SIP connections ······································································· 276
Configuring connection properties ················································································································· 276
Configuring registrar ······························································································································· 276
Configuring proxy server ························································································································ 277
Configuring session properties ······················································································································ 278
Configuring source address binding ······································································································· 278
Configuring SIP listening ························································································································ 280
Configuring media security ····················································································································· 281
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