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TABLE OF CONTENTS
HT502 User Manual
WELCOME.................................................................................................................................................... 4 SAFETY COMPLIANCES ................................................................................................................................. 4 WARRANTY.................................................................................................................................................. 4 CONNECT YOUR HT502 ............................................................................................................................. 5 EQUIPMENT PACKAGING............................................................................................................................... 5 CONNECTING THE HT502............................................................................................................................. 5 PRODUCT OVERVIEW ................................................................................................................................ 6 SOFTWARE FEATURES OVERVIEW ................................................................................................................ 7 HARDWARE SPECIFICATION .......................................................................................................................... 8 BASIC OPERATIONS .................................................................................................................................. 9 UNDERSTANDING HT502 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 3-WAY CONFERENCING ............................................................................................................................. 12 FAX SUPPORT ........................................................................................................................................... 12 CALL FEATURES ...................................................................................................................................... 13 CONFIGURATION GUIDE ......................................................................................................................... 14 CONFIGURING THE HT502 THROUGH VOICE PROMPTS ................................................................................ 14 CONFIGURING THE HT502 VIA WEB BROWSER ........................................................................................... 15 Access the Web Configuration Menu ...................................................................................................... 15 IMPORTANT SETTINGS ................................................................................................................................ 16 NAT Settings ........................................................................................................................................... 16 DTMF Methods ........................................................................................................................................ 16 Preferred VOCODER (Codec) ................................................................................................................ 16 ADVANCED USER CONFIGURATION ............................................................................................................. 20 SAVING THE CONFIGURATION CHANGES ..................................................................................................... 29 REBOOTING THE HT502 FROM REMOTE...................................................................................................... 29 CONFIGURATION THROUGH A CENTRAL SERVER .......................................................................................... 29 SOFTWARE UPGRADE............................................................................................................................. 30 FIRMWARE UPGRADE THROUGH TFTP/HTTP/HTTPS ................................................................................ 30 CONFIGURATION FILE DOWNLOAD .............................................................................................................. 31 FIRMWARE AND CONFIGURATION FILE PREFIX AND POSTFIX ........................................................................ 31 MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD ..................................................................... 31 RESTORE FACTORY DEFAULT SETTING .............................................................................................. 32 Grandstream Networks, Inc.
HT-502 User Manual
Firmware Version 1.0.5.10
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Last Updated: 01/2012