Grandstream Networks HT502 User Manual page 5

Call Features ................................................................................................................ 27
Configuration Guide .................................................................................................... 29
Configuring the HT502 through Voice Prompts ................................................................................... 29
Configuring the HT502 Via Web Browser ............................................................................................ 30
Access the Web Configuration Menu ........................................................................................... 30
Important Settings ................................................................................................................................ 31
NAT Settings ................................................................................................................................. 31
DTMF Methods ............................................................................................................................. 32
Preferred VOCODER (Codec) ...................................................................................................... 32
Advanced User Configuration .............................................................................................................. 40
Saving the Configuration Changes ...................................................................................................... 61
Rebooting the HT502 from Remote ..................................................................................................... 61
Configuration through a Central Server ............................................................................................... 62
Software Upgrade........................................................................................................ 63
Firmware Upgrade through TFTP/HTTP/HTTPS................................................................................. 63
Instructions Local Firmware Upgrade: ................................................................................................. 64
Configuration File Download ................................................................................................................ 64
Firmware and Configuration File Prefix and Postfix ............................................................................ 65
Managing Firmware and Configuration File Download ........................................................................ 65
Restore Factory Default Setting ................................................................................. 67
FACTORY RESET ............................................................................................................................... 67
Reset Button ........................................................................................................................................ 67
IVR Command ..................................................................................................................................... 67
EXPERIENCING THE HT502 ....................................................................................... 69
HT502 User Manual
P a g e | 4