Grandstream Networks HT812 User Manual page 5

Call Waiting .......................................................................................................................................... 28
Call Transfer ......................................................................................................................................... 28
Blind Transfer ................................................................................................................................ 28
Attended Transfer ......................................................................................................................... 29
3-Way conferencing ............................................................................................................................. 29
Call Return ........................................................................................................................................... 29
Voice Mail ............................................................................................................................................. 30
VM Notification .............................................................................................................................. 30
Accessing VM ............................................................................................................................... 30
NAT Settings ................................................................................................................ 31
DTMF Methods ............................................................................................................ 32
Preferred Vocoder (Codec) .................................................................................................................. 32
UPGRADING AND PROVISIONING ............................................................................ 33
Firmware Upgrade procedure .............................................................................................................. 33
Upgrading via Local Directory: ............................................................................................................. 34
Upgrading via Local TFTP/HTTP Servers ........................................................................................... 34
Firmware and Configuration File Prefix and Postfix ............................................................................ 34
Managing Firmware and Configuration File Download ........................................................................ 35
Configuration File Download ................................................................................................................ 35
RESTORE FACTORY DEFAULT SETTINGS ............................................................... 36
Using the Reset Button ........................................................................................................................ 36
Using the IVR Command ..................................................................................................................... 36
Reset from Web Interface (Reset Type) .............................................................................................. 37
EXPERIENCING HT812/HT814 .................................................................................... 38
HT812/HT814 User Guide
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