Proxy Server Port ......................................................................................................743.4.4 Global Address Detection ...............................................................................................743.4.4.1 Global Address Detection ............................................................................................74Detection Method ......................................................................................................74Detection Interval ......................................................................................................753.4.4.2 STUN Server ...............................................................................................................75STUN Server Address ..............................................................................................75STUN Server Port .....................................................................................................753.4.5 Static NAPT Settings ......................................................................................................753.4.5.1 Global IP Address ........................................................................................................76Global IP Address .....................................................................................................763.4.5.2 Enable Global IP Address Usage per Line ..................................................................76Line 1–Line 8 ............................................................................................................763.4.5.3 External RTP Port ........................................................................................................77Channel 1–3 ..............................................................................................................773.5 System .............................................................................................................................773.5.1 Web Language ...............................................................................................................773.5.1.1 Web Language ............................................................................................................78Language ..................................................................................................................783.5.2 Administrator Password .................................................................................................783.5.2.1 Change Administrator Password .................................................................................78New Password ..........................................................................................................78Confirm New Password ............................................................................................793.5.3 Change User Password .................................................................................................793.5.3.1 Change User Password ...............................................................................................79New Password ..........................................................................................................79Confirm New Password ............................................................................................803.5.4 Web Server Settings ......................................................................................................803.5.4.1 Web Server Settings ....................................................................................................80Web Server Port .......................................................................................................80Port Close Timer .......................................................................................................813.5.5 Time Adjust Settings ......................................................................................................813.5.5.1 Synchronization ...........................................................................................................82Enable Synchronization by NTP ...............................................................................82Synchronization Interval ............................................................................................823.5.5.2 Time Server .................................................................................................................82NTP Server Address .................................................................................................823.5.5.3 Time Zone ...................................................................................................................82Time Zone .................................................................................................................823.5.5.4 Daylight Saving Time (Summer Time) .........................................................................83Enable DST (Enable Summer Time) ........................................................................83DST Offset (Summer Time Offset) ............................................................................833.5.5.5 Start Day and Time of DST (Start Day and Time of Summer Time) ...........................83Month ........................................................................................................................83Day of Week .............................................................................................................83Time ..........................................................................................................................843.5.5.6 End Day and Time of DST (End Day and Time of Summer Time) ..............................84Month ........................................................................................................................84Day of Week .............................................................................................................85Time ..........................................................................................................................863.6 VoIP ..................................................................................................................................863.6.1 SIP Settings ....................................................................................................................863.6.1.1 SIP Setting ...................................................................................................................86SIP User Agent .........................................................................................................863.6.1.2 Transport Protocol for SIP ...........................................................................................87Document Version 2013-02 Administrator Guide 5Table of Contents