4.5.1 SIP Settings ....................................................................................................................91
4.5.1.1 SIP Setting ...................................................................................................................91
SIP User Agent .........................................................................................................91
4.5.2 SIP Settings [Line 1]–[Line 4] .........................................................................................92
4.5.2.1 Phone Number ............................................................................................................93
Phone Number ..........................................................................................................93
SIP URI .....................................................................................................................93
4.5.2.2 SIP Server ...................................................................................................................93
Registrar Server Address ..........................................................................................93
Registrar Server Port ................................................................................................93
Proxy Server Address ...............................................................................................94
Proxy Server Port ......................................................................................................94
Presence Server Address .........................................................................................94
Presence Server Port ................................................................................................94
4.5.2.3 Outbound Proxy Server ...............................................................................................95
Outbound Proxy Server Address ..............................................................................95
Outbound Proxy Server Port .....................................................................................95
4.5.2.4 SIP Service Domain ....................................................................................................95
Service Domain .........................................................................................................95
4.5.2.5 SIP Source Port ...........................................................................................................95
Source Port ...............................................................................................................95
4.5.2.6 SIP Authentication .......................................................................................................96
Authentication ID .......................................................................................................96
Authentication Password ..........................................................................................96
4.5.2.7 DNS .............................................................................................................................96
Enable DNS SRV lookup ..........................................................................................96
SRV lookup Prefix for UDP .......................................................................................97
SRV lookup Prefix for TCP .......................................................................................97
4.5.2.8 Transport Protocol of SIP ............................................................................................97
Transport Protocol ....................................................................................................97
4.5.2.9 Timer Settings .............................................................................................................98
T1 Timer ....................................................................................................................98
T2 Timer ....................................................................................................................98
Timer B .....................................................................................................................98
Timer D .....................................................................................................................99
Timer F ......................................................................................................................99
Timer H .....................................................................................................................99
Timer J ......................................................................................................................99
4.5.2.10 Quality of Service (QoS) ..............................................................................................99
SIP Packet QoS (DSCP) ...........................................................................................99
4.5.2.11 SIP extensions ...........................................................................................................100
Supports 100rel (RFC 3262) ...................................................................................100
Supports Session Timer (RFC 4028) ......................................................................100
4.5.2.12 NAT Identity ...............................................................................................................100
Keep Alive Interval ..................................................................................................100
Supports Rport (RFC 3581) ....................................................................................101
4.5.2.13 Security ......................................................................................................................101
Enable SSAF (SIP Source Address Filter) .............................................................101
4.5.3 VoIP Settings ................................................................................................................101
4.5.3.1 RTP Settings .............................................................................................................102
RTP Packet Time ....................................................................................................102
Minimum RTP Port Number ....................................................................................102
Maximum RTP Port Number ...................................................................................102
Telephone-event Payload Type ..............................................................................103
4.5.4 VoIP Settings [Line 1]–[Line 4] .....................................................................................104
6 Administrator Guide Document Version 2011-06
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