Grandstream Networks, Inc. HT503 User Manual Page 2 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
TABLE OF CONTENTS
HT503 USER MANUAL
WELCOME....................................................................................................................................................... 4
Safety Compliances ................................................................................................................ 4
Warranty ................................................................................................................................. 4
CONNECT YOUR HT503 ................................................................................................................................... 5
Equipment Packaging ................................................................................................................. 5
Connecting the HT503 ................................................................................................................ 5
PRODUCT OVERVIEW ....................................................................................................................................... 7
Software Features Overview ....................................................................................................... 7
Hardware Specification ............................................................................................................... 8
BASIC OPERATIONS ........................................................................................................................................ 9
Understanding HT503 Voice Prompt ......................................................................................... 9
Placing a Phone Call ................................................................................................................. 10
Phone or Extension Numbers................................................................................................ 10
Direct IP Calls ....................................................................................................................... 10
Call Hold ................................................................................................................................... 11
Call Waiting .............................................................................................................................. 11
Call Transfer ............................................................................................................................. 11
Blind Transfer ....................................................................................................................... 11
Attended Transfer ................................................................................................................. 12
3-way Conferencing .................................................................................................................. 12
PSTN Pass Through .................................................................................................................. 12
VoIP-to-PSTN Calls ................................................................................................................. 13
PSTN-to-VoIP Calls ................................................................................................................. 13
Route Calls to PSTN ................................................................................................................. 14
Forward Calls to PSTN ............................................................................................................. 14
Forward Calls to VoIP .............................................................................................................. 15
One Stage Dialing ..................................................................................................................... 15
Fax Support ............................................................................................................................... 15
CALL FEATURES ........................................................................................................................................... 16
CONFIGURATION GUIDE ................................................................................................................................. 17
Configuring HT503 through Voice Prompt .............................................................................. 17
Configuring HT503 with Web Browser ................................................................................... 18
Access the Web Configuration Menu ................................................................................... 18
Saving the Configuration Changes ........................................................................................... 35
Rebooting from Remote ............................................................................................................ 35
Configuration through a Central Server .................................................................................... 35
SOFTWARE UPGRADE ................................................................................................................................... 36
Firmware Upgrade through TFTP/HTTP/HTTPS .................................................................... 36
Configuration File Download ................................................................................................... 37
Firmware and Configuration File Prefix and Postfix ................................................................ 37
Managing Firmware and Configuration File Download ........................................................... 37
RESTORE FACTORY DEFAULT SETTING .......................................................................................................... 38