4.4.3.1 Admin Password ........................................................................................................112
Current Password ...................................................................................................112
New Password ........................................................................................................112
Confirm New Password
..........................................................................................112
4.4.4 Time Adjust Settings ....................................................................................................113
4.4.4.1 Synchronization (Synchronisation) ............................................................................113
Server Address .......................................................................................................113
Synchronization Interval (Synchronisation Interval) ................................................113
4.4.4.2 Time Zone .................................................................................................................113
Time Zone ...............................................................................................................113
4.4.4.3 Daylight Saving Time (Summer Time) .......................................................................114
Enable DST (Enable Summer Time) ......................................................................114
DST Offset (Summer Time Offset) ..........................................................................114
4.4.4.4 Start Day and Time of DST (Start Day and Time of Summer Time) .........................114
Month ......................................................................................................................114
Day of Week ...........................................................................................................115
Time ........................................................................................................................115
4.4.4.5 End Day and Time of DST (End Day and Time of Summer Time) ............................115
Month ......................................................................................................................115
Day of Week ...........................................................................................................116
Time ........................................................................................................................117
4.4.5 Advanced Settings .......................................................................................................117
4.4.5.1 Soft Key during IDLE Status ......................................................................................117
Soft Key A (Left) ......................................................................................................117
Soft Key B (Center) .................................................................................................118
Soft Key C (Right) ...................................................................................................118
4.4.5.2 IP Phone ....................................................................................................................118
Enable Admin Ability ...............................................................................................118
Enable IP Phone Lock ............................................................................................118
Password for Unlocking ..........................................................................................119
4.5 VoIP ................................................................................................................................119
4.5.1 SIP Settings ..................................................................................................................119
4.5.1.1 User Agent .................................................................................................................119
User Agent ..............................................................................................................119
4.5.1.2 NAT Identity ...............................................................................................................120
Enable Rport (RFC 3581) .......................................................................................120
Enable Port Punching for SIP .................................................................................120
Enable Port Punching for RTP ................................................................................120
4.5.2 SIP Settings [Line 1]–[Line 6] .......................................................................................121
4.5.2.1 Basic ..........................................................................................................................121
Phone Number ........................................................................................................121
Registrar Server Address ........................................................................................121
Registrar Server Port ..............................................................................................122
Proxy Server Address .............................................................................................122
Proxy Server Port ....................................................................................................122
Presence Server Address .......................................................................................122
Presence Server Port ..............................................................................................122
Outbound Proxy Server Address ............................................................................123
Outbound Proxy Server Port ...................................................................................123
Service Domain .......................................................................................................123
Authentication ID .....................................................................................................123
Authentication Password ........................................................................................123
4.5.2.2 Advanced ...................................................................................................................124
SIP Packet QoS (DSCP) .........................................................................................124
Enable DNS SRV lookup ........................................................................................124
Document Version 2015-07 Administrator Guide 7
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