CALL FEATURES ...................................................................................................................................... 13
Grandstream Networks, Inc. HT-502 User ManualPage 3 of 31
Firmware 1.0.0.29 Last Updated: 01/2007
WELCOME
Thank you for purchasing Grandstream’s HT–502, the affordable, feature rich Analog Telephone Adaptor.
Grandstream HandyTone-502 is a new addition to the popular HandyTone ATA product family. It features
the rich audio quality, a broad range of voice codecs, and functionality of the HT–502, including two (2)
FXS ports each with independent SIP accounts and
This manual will help you learn how to operate and manage your HandyTone-502 Analog Telephone
Adaptor and make the best use of its many upgraded features including simple and quick installation, 3way conferencing, and direct IP-IP Calling. This HT–502 is very easy to manage and configure, and ius
specifically designed to be an easy to use and affordable VoIP solution for both the residential user and
the tele-worker.
S
AFETY COMPLIANCES
The HT–502 phone complies with FCC/CE and various safety standards. The HT–502 power adaptor is
compliant with UL standard. Only use the universal power adapter provided with the HT–502 package.
The manufacturer’s warranty does not cover damages to the phone caused by unsupported power
adaptors.
WARRANTY
If you purchased your HT–502 from a reseller, please contact the company where you purchased your
phone for replacement, repair or refund. If you purchased the product directly from Grandstream, contact
your Grandstream Sales and Service Representative for a RMA (Return Materials Authorization) number
before you return the product. Grandstream reserves the right to remedy warranty policy without prior
notification.
Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation
of this product in any way other than as detailed by this User Manual, could void your manufacturer
warranty. Please do not use a different power adaptor with the HT–502 as it may cause damage to the
products and void the manufacturer warranty.
•This document is contains links to Grandstream GUI Interfaces. Please download these examples
http://www.grandstream.com/user_manuals/GUI/GUI_HT502.rar for your reference.
•This document is subject to change without notice. The latest electronic version of this user manual
is available for download @:
•Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print,
for any purpose without the express written permission of Grandstream Networks, Inc. is not
permitted.
Grandstream Networks, Inc. HT-502 User ManualPage 4 of 31
Configuring your HT–502 and connecting the unit to the VoIP network is very simple. The HT–502 is easy
to configure using the embedded GUI pages and the following five (5) steps outlined below. Before you
begin, please verify the contents of the HT–502 package. Download examples of the GUI Interfaces from:
Unpack and check all accessories. Equipment included in the package:
• one 12V universal power adapter
• one Ethernet cable
• one device unit
CONNECT YOUR ATA
First, familiarize yourself with the features of the HT–502. The HT–502 has two FXS ports. Each FXS
port can have a separate SIP account. This is a key feature of HT–502. Both ports can make calls
concurrently.
FIGURE 1:CONNECTING THE HT–502
HT-502
Front View
LED Buttons
(green/red)
ABLE 1:DEFINITIONS OF THE HT–502CONNECTORS
T
Power Cable
WAN Port (RJ-45)
LAN Port (RJ-45)
RESET
PHONE1 (RJ-11)
Connect your PC to the LAN to find IP address from your Router/DHCP Server.
Connect to the internal LAN network or router.
Connect the LAN port with an Ethernet cable to your modem Ethernet port.
Factory Reset button. Press for 7 seconds to reset factory default settings.
FXS port to be connected to analog phones.
RJ-45 Ports
10/100 Mbps
HT-502
Back View
Reset
+5V/1200mA
RJ-11 FXS Ports
(Phone)
PHONE2 (RJ-11)
FXS port to be connected to analog phones.
There are five (5) LED buttons that help you manage the status of your HandyTone.
Grandstream Networks, Inc. HT-502 User ManualPage 5 of 31
Firmware 1.0.0.29 Last Updated: 01/2007
ode
TABLE 2: DEFINITIONS OF THE HT-502LEDS
Power LED
WAN LED
LAN LED
PHONE1 /
PHONE2 LED
Indicates Power. Remains ON when Power is connected and turned ON.
Indicates LAN (or WAN) port activity.
Indicates PC (or LAN) port activity.
Indicate status of the respective FXS Ports-PHONE1 / PHONE2 on the back
panel
Busy - ON (Solid Green)
Available - OFF
NOTE: All LEDs display green when ON.
CONFIGURE YOUR ATA
The HT–502 is easy to configure using the embedded GUI pages and the following five (5) steps.
FIVE EASY STEPS TO CONFIGURE THE HT–502
1. Connect a standard touch-tone analog telephone (or fax machine) to first FXS port.
2. Connect another standard touch-tone analog telephone (or fax machine) to second FXS port.
3. Insert the Ethernet cable into the WAN port of HT–502 and connect the other end of the Ethernet
cable to an uplink port (a router or a modem, etc.)
4. Connect a PC to the LAN port of HT–502.
5. Insert the power adapter into the HT–502 and connect it to a wall outlet.
F
IGURE 2:CONFIGURING THE HT–502
FXS
Internet ADSL/Cable
M
m Ethernet
FXS
Grandstream Networks, Inc. HT-502 User Manual Page 6 of 31
Firmware 1.0.0.29 Last Updated: 01/2007
PRODUCT OVERVIEW
The new HT–502 has a new sleek compact design and offers superb audio quality, rich feature
functionality, security protection, and is easy to configure. The HT–502 features dual FXS interface for
The HT–502 is a full feature voice and fax-over IP device that offers a high-level of integration including
dual 10M/100Mbps network ports with integrated router, NAT, DHCP server, dual port FXS telephone
gateway, market-leading sound quality, rich functionalities, and a compact and lightweight design. The
HT–502 fully compatible with SIP industry standard and can interoperate with many other SIP compliant
devices and software on the market. Moreover, it supports comprehensive voice codecs including G.711
(a/µ-law), G.723.1, G.726, G.728, G.729A/B/E and iLBC.
KEY FEATURES
2 RJ-45 (LAN)
Ethernet
Ports
DHCP
Server/
Client
FXS
Port
2 No Yes
PSTN
Pass –
through
Voice Mail
Indicator
Voice Codec
iLBC, T.38,
G.711, G.723,
G.726, G.728,
G.729A/B/E
Remote
Configuration
TFTP/HTTP
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Firmware 1.0.0.29 Last Updated: 01/2007
TABLE3:HT–502TECHNICAL SPECIFICATIONS
Telephone Interfaces
Network Interface
LED Indicators
Reset Button
Voice over Packet
Capabilities
HT–502 Analog Telephone Adaptor
2 FXS ports, 2 SIP accounts
Two (2) 10M/100 Mbps, RJ-45
Power, WAN, LAN, PHONE1 and PHONE2
Factory Reset button.
Voice Activity Detection (VAD) with CNG (comfort noise generation) and
PLC (packet loss concealment), Dynamic Jitter Buffer,
Modem detection & auto-switch to G.711,
Packetized Voice Protocol Unit (supports RTP/RTCP and AAL2 protocol),
G.168 compliant Echo Cancellation, LEC (line echo cancellation) with NLP
Voice Compression G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder,
G.723.1A, G.726(ADPCM), G.729A/B/E, iLBC
G.726 provides proprietary VAD, CNG, and signal power estimation
Voice Play Out unit (reordering, fixed and adaptive jitter buffer, clock
synchronization), AGC (automatic gain control),
Status output, Decoder controlling via voice packet header
DHCP Server/Client
Yes, NAT Router or Switched Mode
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to
G.711 for Fax Pass-through (pending), Fax Datapump V.17, V.19, V.27ter,
V.29 for T.38 fax relay
QoS
IP Transport
Diffserve, TOS, 802.1 P/Q VLAN tagging
RTP/RTCP
DTMF Method Flexible DTMF transmission method, user interface of In-audio, RFC2833,
REN3: Up to150 ft on 24 AWG line
Caller ID display or block, Call waiting caller ID, Call waiting/flash, Call
transfer, hold, forward, mute, 3-way conferencing
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Yes
Wink
EMC EN55022/EN55024 and FCC part15 Class B
Safety
UL
Grandstream Networks, Inc. HT-502 User ManualPage 8 of 31
Firmware 1.0.0.29 Last Updated: 01/2007
TABLE 4:HT–502HARDWARE SPECIFICATIONS
LAN Interface
2 x RJ45 10/100Mbps (integrated router)
LED
Universal
Switching
Power Adaptor
Dimension
Weight
Temperature
Humidity
Compliance
5 LEDs (GREEN)
Input: 100-240V AC, 50/60Hz, 0.5A Max
Output: 12V DC, 1.25A
UL certified
32~104°F / 0~40°C
10% - 90% (non-condensing)
FCC, CE
B
ASIC OPERATIONS
BECOME FAMILIAR WITH VOICE PROMPT
HT–502 stores a voice prompt menu (Interactive Voice Response or IVR) for quick browsing and simple
configuration. The IVR menu and the LED button work with any of the FXS port. To enter the IVR menu,
pick up the handset and dial “***”.
TABLE 5:HT–502IVRMENU DEFINITIONS
Menu Voice Prompt Options
Main Menu
01
02
03
04
05
07
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Firmware 1.0.0.29 Last Updated: 01/2007
“Enter a Menu Option” Press “*” for the next menu option
Press “#” to return to the main menu
Enter 01-06, 47, 86, 99 menu options
“DHCP Mode”,
“Static IP Mode”
“IP Address “ + IP address The current WAN IP address is announced
“Subnet “ + IP address Same as menu 02
“Gateway “ + IP address Same as menu 02
“DNS Server “ + IP address Same as menu 02
Preferred Vocoder
Press “9” to toggle the selection
If using “Static IP Mode”, configure the IP address
information using menus 02 to 05.
If using “Dynamic IP Mode”, all IP address information
comes from the DHCP server automatically after reboot.
If using “Static IP Mode”, enter 12 digit new IP address.
Press “9” to move to the next selection in the list:
• PCM U / PCM A
• G-723
• G-729A/B/E
• G-726-32
• G728
• iLBC
10
12
13
14
15
“MAC Address” Announces the Mac address of the unit.
WAN Port Web Access
Firmware Server IP
Address
Configuration Server IP
Address
Upgrade Protocol
Press “9” to toggle between enable / disable
Announces current Firmware Server IP address. Enter 12
digit new IP address.
Announces current Config Server Path IP address. Enter
12 digit new IP address.
Upgrade protocol for firmware and configuration update.
Press “9” to toggle between TFTP / HTTP
16
17
Firmware Version
Firmware Upgrade
Firmware version information.
Firmware upgrade mode. Press “9” to toggle among the
following three options:
- always check
- check when pre/suffix changes
- never upgrade
47
“Direct IP Calling”
Enter a 12 digit IP address to make a direct IP call, after
dial tone. (See “Make a Direct IP Call”.)
99
“RESET”
“Invalid Entry”
Press “9” to reboot the device. See p. 27 for factory reset.
Automatically returns to main menu
Five Success Tips when using the Voice Prompt
1. “*” shifts down to the next menu option
2. “#” returns to the main menu
3. “9” functions as the ENTER key in many cases to confirm an option
4. All entered digit sequences have known lengths - 2 digits for menu option and 12 digits for IP
address. For IP address
, add 0 before the digits if the digits are less than 3 (i.e. - 192.168.0.26
should be key in like 192168000026. No decimal is needed).
5. Key entry can not be deleted but the phone may prompt error once it is detected
PLACING A PHONE CALL
PHONE OR EXTENSION NUMBERS
1. Dial the number directly and wait for 4 seconds (Default “No Key Entry Timeout”); or
2. Dial the number directly and press # (Use # as dial key” must be configured in web configuration).
Examples:
1. Dial an extension directly on the same proxy, (e.g. 1008), and then press the # or wait for 4 seconds.
2. Dial an outside number (e.g. (626) 666-7890), first enter the prefix number (usually 1+ or international
code) followed by the phone number. Press # or wait for 4 seconds. Check with your VoIP service
provider for further details on prefix numbers.
D
IRECT IPCALLS
Direct IP calling allows two parties, that is, a FXS Port with an analog phone and another VoIP Device, to
talk to each other in an ad hoc fashion without a SIP proxy.
Grandstream Networks, Inc. HT-502 User ManualPage 10 of 31
Firmware 1.0.0.29 Last Updated: 01/2007
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