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Grandstream Networks, Inc. HT-502 User Manual Page 2 of 32
Firmware Version 1.0.4.2 Last Updated: 06/2011
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ABLE 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 ................................................................................................................................ 7
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
Set priority of DTMF methods according to your preference. This setting should be based on
your server DTMF setting. ......................................................................................................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