Grandstream Networks HT814 - Configuration Guide; Obtain IP Address via Phone; Web Browser Configuration; Password Management

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HT812/HT814 Administration Guide
Important Settings ................................................................................................................................ 42
NAT Settings ................................................................................................................................. 42
DTMF Methods ............................................................................................................................. 42
Preferred Vocoder (Codec) ........................................................................................................... 42
Configuring HT812/HT814 Through Voice Prompts ............................................................................ 42
Configuration Through a Central Server .............................................................................................. 43
Register a SIP Account ........................................................................................................................ 44
Call Features ........................................................................................................................................ 46
Rebooting HT812/HT814 from Remote ............................................................................................... 47
UPGRADING AND PROVISIONING ............................................................................ 48
Firmware Upgrade procedure .............................................................................................................. 48
Upgrading via Local Directory .............................................................................................................. 49
Upgrading via Local TFTP/HTTP Servers ........................................................................................... 49
Firmware and Configuration File Prefix and Postfix ............................................................................ 49
Managing Firmware and Configuration File Download ........................................................................ 50
Configuration File Download ................................................................................................................ 50
RESTORE FACTORY DEFAULT SETTINGS ............................................................... 51
Using the Reset Button ........................................................................................................................ 51
Using the IVR Command ..................................................................................................................... 51
Reset from Web Interface (Reset Type) .............................................................................................. 52
EXPERIENCING HT812/HT814 .................................................................................... 53