3.4.4.2 STUN Server ...............................................................................................................70
STUN Server Address ..............................................................................................70
STUN Server Port .....................................................................................................71
3.4.5 Static NAPT Settings ......................................................................................................71
3.4.5.1 Global IP Address ........................................................................................................72
Global IP Address .....................................................................................................72
3.4.5.2 Enable Global IP Address Usage per Line ..................................................................72
Line 1–Line 8 ............................................................................................................72
3.4.5.3 External RTP Port ........................................................................................................72
Channel 1–3 ..............................................................................................................72
3.5 System .............................................................................................................................73
3.5.1 Web Language ...............................................................................................................73
3.5.1.1 Web Language ............................................................................................................73
Language ..................................................................................................................73
3.5.2 Administrator Password .................................................................................................74
3.5.2.1 Change Administrator Password .................................................................................74
New Password ..........................................................................................................74
Confirm New Password ............................................................................................74
3.5.3 Change User Password .................................................................................................75
3.5.3.1 Change User Password ...............................................................................................75
New Password ..........................................................................................................75
Confirm New Password ............................................................................................75
3.5.4 Web Server Settings ......................................................................................................76
3.5.4.1 Web Server Settings ....................................................................................................76
Web Server Port .......................................................................................................76
Port Close Timer .......................................................................................................76
3.5.5 Time Adjust Settings ......................................................................................................77
3.5.5.1 Synchronization ...........................................................................................................77
Enable Synchronization by NTP ...............................................................................77
Synchronization Interval ............................................................................................77
3.5.5.2 Time Server .................................................................................................................78
NTP Server Address .................................................................................................78
3.5.5.3 Time Zone ...................................................................................................................78
Time Zone .................................................................................................................78
3.5.5.4 Daylight Saving Time (Summer Time) .........................................................................78
Enable DST (Enable Summer Time) ........................................................................78
DST Offset (Summer Time Offset) ............................................................................78
3.5.5.5 Start Day and Time of DST (Start Day and Time of Summer Time) ...........................79
Month ........................................................................................................................79
Day of Week .............................................................................................................79
Time ..........................................................................................................................80
3.5.5.6 End Day and Time of DST (End Day and Time of Summer Time) ..............................80
Month ........................................................................................................................80
Day of Week .............................................................................................................80
Time ..........................................................................................................................81
3.6 VoIP ..................................................................................................................................81
3.6.1 SIP Settings ....................................................................................................................81
3.6.1.1 SIP Setting ...................................................................................................................82
SIP User Agent .........................................................................................................82
3.6.1.2 Transport Protocol for SIP ...........................................................................................82
Transport Protocol ....................................................................................................82
3.6.2 SIP Settings [Line 1]–[Line 8] .........................................................................................83
3.6.2.1 Phone Number ............................................................................................................83
Phone Number ..........................................................................................................83
3.6.2.2 SIP Server ...................................................................................................................83
Document Version 2010.03.15 Administrator Guide 5
Table of Contents