R2511-HP MSR Router Series Voice Configuration Guide(V5)
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Specifying the URL scheme for outgoing SIP calls ···································································································· 152
Configuring SIP extensions ·········································································································································· 153
Strict SIP routing··················································································································································· 153
Configuring out-of-band SIP DTMF transmission mode ··················································································· 153
Configuring source IP address binding for SIP messages ··············································································· 154
Configuring a domain name for the SIP UA ···································································································· 155
Configuring SIP compatibility ····························································································································· 155
Configuring user-agent and server header fields ····························································································· 157
Configuring SIP extensions for caller identity and privacy ············································································· 158
Configuring call release cause code mapping ································································································ 159
Configuring periodic refresh of SIP sessions ···································································································· 159
Enabling early media negotiation ····················································································································· 160
Configuring VRF-aware SIP ········································································································································· 161
Displaying and maintaining SIP UAs ························································································································· 161
SIP UA configuration examples ·································································································································· 162
Configuring direct calling for SIP UAs ·············································································································· 162
Configuring proxy server involved calling for SIP UAs ··················································································· 163
Configuring DNS involved calling for SIP UAs ································································································ 165
Configuring out-of-band SIP DTMF transmission mode ··················································································· 166
Configuring SIP extensions for caller identity and privacy ············································································· 167
Configuring TCP to carry outgoing SIP calls ···································································································· 169
Configuring TLS to carry outgoing SIP calls ····································································································· 170
Configuring SIPS URL scheme for outgoing SIP calls ······················································································· 173
Configuring SRTP for SIP calls ···························································································································· 175
Troubleshooting ···························································································································································· 176
Failed to set up calls in the proxy server approach to SIP routing ································································· 176
Failed to register with the registrar ···················································································································· 176
Failed to set up point-to-point calls ···················································································································· 177
Failed to send register requests ························································································································· 177
Failed to set up point-to-point SIP calls over TLS ······························································································ 177
Configuring SIP local survival ································································································································ 178
Configuration task list ·················································································································································· 179
Configuring an operation mode for the local SIP server ························································································· 179
Configuring user information ······································································································································ 181
Specifying a trusted node ··········································································································································· 181
Configuring call authority control ······························································································································· 182
Configuring a call rule ········································································································································ 182
Applying a call rule set ······································································································································· 182
Configuring an area prefix ········································································································································· 183
Configuring a call route ·············································································································································· 183
Displaying and maintaining the SIP local survival feature configuration ······························································· 184
SIP local survival feature configuration examples ···································································································· 184
Configuring the local SIP server to operate in the alone mode ······································································ 184
Configuring the local SIP server to operate in the alive mode (method 1) ··················································· 186
Configuring the local SIP server to operate in the alive mode (method 2) ··················································· 188
Configuring the call authority control ················································································································ 190
Configuring an area prefix ································································································································ 192
Configuring a call route ······································································································································ 194
Configuring SIP trunk ·············································································································································· 196
Background ··································································································································································· 196
Features ········································································································································································· 197
Typical applications ····················································································································································· 197
Protocols and standards ·············································································································································· 198










