Accessing the Web UI .................................................................................................................. 21
Changing HTTP Web Port ............................................................................................................ 23
Register a SIP Account ........................................................................................................................ 25
Rebooting HT81X from Remote .......................................................................................................... 27
CALL FEATURES ......................................................................................................... 28
CALL OPERATIONS .................................................................................................... 30
Placing a Phone Call............................................................................................................................ 30
Direct IP Calls ...................................................................................................................................... 30
Call Hold .............................................................................................................................................. 31
Call Waiting .......................................................................................................................................... 31
Call Transfer ......................................................................................................................................... 31
Blind Transfer ................................................................................................................................ 31
Attended Transfer ......................................................................................................................... 31
3-Way conferencing ............................................................................................................................. 32
Call Return ........................................................................................................................................... 32
Voice Mail ............................................................................................................................................. 32
VM Notification .............................................................................................................................. 32
Accessing VM ............................................................................................................................... 33
NAT Settings ................................................................................................................ 34
DTMF Methods ............................................................................................................ 35
Preferred Vocoder (Codec) .................................................................................................................. 35
Firmware Upgrade procedure .............................................................................................................. 36
HT81x User Guide
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