4.4.4.1 Admin Password ........................................................................................................117
Current Password ...................................................................................................117
New Password ........................................................................................................117
Confirm New Password ..........................................................................................117
4.4.5 Time Adjust Settings ....................................................................................................118
4.4.5.1 Synchronization .........................................................................................................118
Server Address .......................................................................................................118
Synchronization Interval .........................................................................................118
4.4.5.2 Time Zone .................................................................................................................119
Time Zone ...............................................................................................................119
4.4.5.3 Daylight Saving Time (Summer Time) .......................................................................119
Enable DST (Enable Summer Time) ......................................................................119
DST Offset (Summer Time Offset) ..........................................................................119
4.4.5.4 Start Day and Time of DST (Start Day and Time of Summer Time) .........................119
Month ......................................................................................................................119
Day of Week ...........................................................................................................120
Time ........................................................................................................................121
4.4.5.5 End Day and Time of DST (End Day and Time of Summer Time) ............................121
Month ......................................................................................................................121
Day of Week ...........................................................................................................121
Time ........................................................................................................................122
4.4.6 Handset Basic Settings ................................................................................................122
4.4.6.1 Handset 1–8 ..............................................................................................................123
Handset Name ........................................................................................................123
Language ................................................................................................................123
4.4.7 Handset Advanced Settings .........................................................................................124
4.4.7.1 Soft Key during IDLE Status ......................................................................................124
Soft Key A (Left) ......................................................................................................124
Soft Key B (Center) .................................................................................................124
Soft Key C (Right) ...................................................................................................125
4.4.7.2 Handset 1–8 ..............................................................................................................125
Enable Admin Ability ...............................................................................................125
Enable Handset Lock ..............................................................................................125
Password for Unlocking ..........................................................................................126
Missed Call Notification—Message ........................................................................126
Missed Call Notification—LED ................................................................................126
Voice Message Notification—Message ..................................................................126
Voice Message Notification—LED ..........................................................................127
Voice Message Notification—Alarm ........................................................................127
4.4.8 Parallel Mode Settings .................................................................................................128
4.4.8.1 Parallel Mode .............................................................................................................128
Slave Handset Number (Master Desk Phone Number 1–8) ...................................128
Mode (Master Desk Phone Number 1–8) ...............................................................128
4.4.9 Delete Handset .............................................................................................................128
4.4.9.1 Delete Handset Registration ......................................................................................129
Registration Number (1–8) ......................................................................................129
4.5 VoIP ................................................................................................................................130
4.5.1 SIP Settings ..................................................................................................................130
4.5.1.1 User Agent .................................................................................................................130
User Agent ..............................................................................................................130
4.5.1.2 NAT Identity ...............................................................................................................131
Enable Rport (RFC 3581) .......................................................................................131
Enable Port Punching for SIP .................................................................................131
Enable Port Punching for RTP ................................................................................131
4.5.2 SIP Settings [Line 1]–[Line 8] .......................................................................................132
Document Version 2017-07 Administrator Guide 7
Table of Contents