Grandstream Networks DUAL FXS PORT HT502 User Manual

Grandstream Networks, Inc. 

HT-502 User Manual 

Page 2 of 32  

 

 

 
 
 

HT502 User Manual 

 

S

AFETY 

C

OMPLIANCES

 ................................................................................................................................. 4

 

W

ARRANTY

 .................................................................................................................................................. 4

 

 

E

QUIPMENT 

P

ACKAGING

 ............................................................................................................................... 5

 

C

ONNECTING THE 

HT502............................................................................................................................. 5

 

 

S

OFTWARE 

F

EATURES 

O

VERVIEW

 ................................................................................................................ 7

 

H

ARDWARE 

S

PECIFICATION

 .......................................................................................................................... 8

 

 

U

NDERSTANDING 

HT502

 

V

OICE 

P

ROMPT

 ..................................................................................................... 9

 

P

LACING A 

P

HONE 

C

ALL

 .............................................................................................................................  10

 

Phone or Extension Numbers ..................................................................................................10 
Direct IP Calls ........................................................................................................................10 

C

ALL 

H

OLD

 ................................................................................................................................................ 11

 

C

ALL 

W

AITING

 ........................................................................................................................................... 11

 

C

ALL 

T

RANSFER

 ........................................................................................................................................ 11

 

3-W

AY 

C

ONFERENCING

 ............................................................................................................................. 12

 

F

AX 

S

UPPORT

 ........................................................................................................................................... 12

 

 

 

C

ONFIGURING THE 

HT502

 THROUGH 

V

OICE 

P

ROMPTS

 ................................................................................ 14

 

C

ONFIGURING THE 

HT502

 

V

IA 

W

EB 

B

ROWSER

 ........................................................................................... 15

 

Access the Web Configuration Menu ......................................................................................15 

I

MPORTANT 

S

ETTINGS

 ................................................................................................................................ 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 

A

DVANCED 

U

SER 

C

ONFIGURATION

 ............................................................................................................. 20

 

S

AVING THE 

C

ONFIGURATION 

C

HANGES

 ..................................................................................................... 29

 

R

EBOOTING THE 

HT502

 FROM 

R

EMOTE

 ...................................................................................................... 29

 

C

ONFIGURATION THROUGH A 

C

ENTRAL 

S

ERVER

 ..........................................................................................  29

 

 

F

IRMWARE 

U

PGRADE THROUGH 

TFTP/HTTP/HTTPS ................................................................................ 30

 

C

ONFIGURATION 

F

ILE 

D

OWNLOAD

 .............................................................................................................. 31

 

F

IRMWARE AND 

C

ONFIGURATION 

F

ILE 

P

REFIX AND 

P

OSTFIX

 ........................................................................ 31

 

M

ANAGING 

F

IRMWARE AND 

C

ONFIGURATION 

F

ILE 

D

OWNLOAD

 ..................................................................... 31