R0106-HP MSR Router Series Voice Configuration Guide(V7)
iii
Examples ································································································································································ 65
Configuring the maximum number of total calls allowed by a voice entity ····························································· 67
Configuring number substitution ··································································································································· 67
Number substitution on the calling router ··········································································································· 68
Number substitution on the called router ············································································································ 68
Configuring global number substitution ·············································································································· 69
Configuring number substitution for a voice entity ···························································································· 70
Configuring number substitution for a voice interface ······················································································ 71
Examples ································································································································································ 71
Configuring a priority for a voice entity ······················································································································ 73
Configuring the voice entity selection order ················································································································ 73
Configuring a number sending mode ·························································································································· 73
Procedure ······························································································································································· 74
Examples ································································································································································ 74
Configuring a dial prefix ··············································································································································· 76
Dial program configuration examples ························································································································· 76
Configuring number substitution ·························································································································· 76
Configuring caller group control ························································································································· 78
Configuring the maximum number of total calls ································································································ 80
Configuring SIP ·························································································································································· 83
Overview ········································································································································································· 83
Terminology ··························································································································································· 83
SIP functions ··························································································································································· 83
SIP messages ·························································································································································· 84
Transport protocols supported by SIP ·················································································································· 84
SIP security ····························································································································································· 84
SIP configuration task list ··············································································································································· 85
Configuring SIP UA registration ··································································································································· 86
Configuration prerequisites ·································································································································· 87
Configuring SIP credentials ·································································································································· 87
Enabling a POTS entity to register with the registrar ························································································· 89
Configuring registrar information ························································································································ 90
Displaying SIP UA registration status ·················································································································· 90
Configuring the call destination address for a VoIP entity ························································································ 90
Configuring the call destination IP address for a VoIP entity ············································································ 90
Configuring a VoIP entity to obtain the call destination address from a proxy server ·································· 91
Configuring the destination domain name and port number for a VoIP entity ··············································· 91
Enabling keepalive function for a VoIP entity ············································································································· 91
Specifying a trusted node ············································································································································· 92
Configuring extended SIP functions ····························································································································· 92
Configuring source interface binding for outgoing SIP messages or media packets ···································· 93
Configuring out-of-band DTMF····························································································································· 94
Configuring periodic refresh of SIP sessions ······································································································ 94
Configuring PSTN cause-to-SIP status mappings ································································································ 95
Configuring caller privacy ···································································································································· 95
Setting the P-Asserted-Identity or P-Preferred-Identity header field ··································································· 96
Configuring reliable provisional responses ········································································································ 96
Configuring transport protocols for SIP calls ··············································································································· 97
Configuring UDP or TCP for outgoing SIP calls ································································································· 98
Enabling the UDP or TCP listening port ·············································································································· 98
Setting the aging time for TCP connections ········································································································ 98
Configuring SIP security ················································································································································ 99
Configuring TLS as the transport protocol ·········································································································· 99
Configuring SRTP for SIP calls ···························································································································· 101