TABLE OF CONTENTS
HT503 USER MANUAL
WELCOME.......................................................................................................................................................4
Safety Compliances..................................................................................................................................4
Warranty................................................................................................................................................... 4
INSTALLATION.................................................................................................................................................5
Equipment Packaging...............................................................................................................................5
Connecting Your ATA...............................................................................................................................5
Five easy steps to install the HT503.........................................................................................................6
PRODUCT OVERVIEW.......................................................................................................................................7
Hardware Specification.............................................................................................................................8
BASIC OPERATIONS ........................................................................................................................................9
Get Familiar with Voice Prompt................................................................................................................ 9
Placing Phone Calls...............................................................................................................................10
Calling Phone or Extension Numbers.....................................................................................................10
Direct IP Calls......................................................................................................................................... 10
Call Hold................................................................................................................................................. 11
Call Waiting.............................................................................................................................................11
Call Transfer........................................................................................................................................... 11
3-way Conferencing................................................................................................................................12
PSTN Pass Through...............................................................................................................................13
VOIP-To-PSTN Calls.............................................................................................................................. 13
PSTN-to-VOIP Calls............................................................................................................................... 14
Route Calls to PSTN...............................................................................................................................14
Forward Calls to PSTN........................................................................................................................... 15
Forward Calls to VOIP............................................................................................................................ 15
One Stage Dialing...................................................................................................................................15
Fax Support............................................................................................................................................ 15
CALL FEATURES........................................................................................................................................... 16
LED Light Pattern Indication...............................................................................................................16
CONFIGURATION GUIDE.................................................................................................................................17
Configuring HT503 through Voice Prompt..............................................................................................17
DHCP Mode............................................................................................................................................17
Static IP Mode.........................................................................................................................................17
TFTP Server Address............................................................................................................................. 17
Firmware Server IP Address...................................................................................................................17
Configuration Server IP Address............................................................................................................ 17
Upgrade Protocol....................................................................................................................................17
Firmware Upgrade Mode........................................................................................................................17
Configuring HT503 with Web Browser................................................................................................... 18
Access the Web Configuration Menu.................................................................................................18
End User Configuration.......................................................................................................................... 18
Advanced Configuration and FXS/FXO Ports Parameters.....................................................................22
Saving the Configuration Changes.........................................................................................................31
Remote Reboot of the HT503............................................................................................................ 31
Configuration through a Central Server..................................................................................................32
SOFTWARE UPGRADE ...................................................................................................................................33
Firmware Upgrade through TFTP/HTTP................................................................................................ 33
Configuration File Download...................................................................................................................34
Firmware and Configuration File Prefix and Postfix............................................................................... 34
Managing Firmware and Configuration File Download.......................................................................... 34
RESTORE FACTORY DEFAULT SETTING.......................................................................................................... 35
Grandstream Networks, Inc. HT503 User Manual Page 2 of 35
Firmware 1.0.0.6 Last Updated: 6/2007