Grandstream Networks HT502 User Manual page 4

ACCESS THE WEB CONFIGURATION MENU ........................................................................... 26
IMPORTANT SETTINGS ..................................................................................................................... 27
NAT SETTINGS ............................................................................................................................ 27
DTMF METHODS ......................................................................................................................... 28
PREFERRED VOCODER (CODEC) ............................................................................................ 28
ADVANCED USER CONFIGURATION ............................................................................................... 33
SAVING THE CONFIGURATION CHANGES...................................................................................... 47
REBOOTING THE HT502 FROM REMOTE ....................................................................................... 47
CONFIGURATION THROUGH A CENTRAL SERVER ....................................................................... 47
SOFTWARE UPGRADE ........................................................................... 49
FIRMWARE UPGRADE THROUGH TFTP/HTTP/HTTPS .................................................................. 49
INSTRUCTIONS LOCAL FIRMWARE UPGRADE: ............................................................................. 50
CONFIGURATION FILE DOWNLOAD ................................................................................................ 50
FIRMWARE AND CONFIGURATION FILE PREFIX AND POSTFIX .................................................. 51
MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD .............................................. 51
RESTORE FACTORY DEFAULT SETTING ............................................. 53
FACTORY RESET ............................................................................................................................... 53
RESET BUTTON ................................................................................................................................. 53
IVR COMMAND ................................................................................................................................... 53
FIRMWARE VERSION 1.0.12.4 HT502 USER MANUAL Page 2 of 54