CONNECT YOUR HT503 ................................................................................................................................... 5
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
CREENSHOT OF CALL PROGRESS TONES CONFIGURATION PAGE
8. S
CREENSHOT OF SAVED CONFIGURATION CHANGES
9. S
CREENSHOT OF REBOOT PAGE
Grandstream Networks, Inc. HT503 User Manual Page 3 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
WELCOME
Thank you for purchasing Grandstream’s HT503, the affordable, feature rich, Analog Telephone
Adaptor/IAD. The HT503 combines a sleek design with the latest technology to offer more advanced
telephony features and significantly better integrated router performance than its predecessor – the
HT488. It is the second ATA/IAD in the HandyTone 50x series. The HT503 functions as a true 3-in-1
gateway for PSTN network, analog telephone FXS interface and IP network. It enables remote call
origination and termination from/to PSTN and supports the feature of “hop-on/hop-off” calling.
This manual will help you learn how to operate and manage your HT503 Analog Telephone Adaptor/IAD
and make the best use of its many upgraded features including simple and quick installation, 3-way
conferencing, and remote call origination and “hop-on/hop-off” calling using the programmable PSTN
FXO port. This HT503 is very easy to manage and configure, and is specifically designed to be an easy
to use and affordable VoIP solution for both the residential user and the remote user.
This document is subject to changes without notice. The latest electronic version of this user manual can
be downloaded from the following location:
The HT503 adaptor complies with FCC/CE and various safety standards. The HT503 power adaptor is
compliant with UL standard. Only use the universal power adapter provided with the HT503 package.
The manufacturer’s warranty does not cover damages to the phone caused by unsupported power
adaptors.
Warranty
If you purchased your HT503 from a reseller, please contact them for replacement, repair or refund. If
you purchased the product directly from Grandstream, contact your Grandstream Sales and Service
Representative for an 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 avoid your manufacturer
warranty.
•This document contains links to Grandstream GUI Interfaces. Please remember to download these
examples from http://www.grandstream.com/products/ht_series/ht503/documents/ht503_gui.zip for
your reference.
•This document is subject to change without notice. The latest electronic version of this user manual is
available for download from the following location:
•Reproduction or transmittal of the entire or any part, in any form or by any m eans, electronic or print,
for any purpose without the express written permission of Grandstream Networks, Inc. is not
permitted.
Grandstream Networks, Inc. HT503 User Manual Page 4 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
CONNECT YOUR HT503
Equipment Packaging
The HT503 ATA package contains:
• One HT503 Main Case
• One Universal Power Adaptor
• One Ethernet Cable
• One HT503 Vertical Stand
Connecting the HT503
The HT503 is designed for easy configuration and easy installation. Configure the HT503 following the
directions in the Configuration section of this manual.
1. Connect a standard touch-tone analog telephone to the PHONE port.
2. Insert a standard RJ11 telephone cable into the LINE port and connect the other end of the
telephone cable to a wall jack.
3. Insert the Ethernet cable into the WAN port of HT503 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 HT503 if it is being used as a router.
5. Insert the power adapter into the HT503 and connect it to a wall outlet.
The HT503 Analog Telephone Adaptor is an all-in-one VoIP integrated device designed to be a total
solution for networks providing VoIP services. The HT503 VoIP features and functions are available
using a regular analog telephone.
F
IGURE 1:CONNECTING THE HT503
HT503
Front View
Display LEDs
(Green)
RJ-45 Ports
10/100 Mbps
HT503
Back View
Reset
Power
Supply
(12V)
RJ11
FXS Port
RJ11
FXO Port
The HT503 has one FXS port and one FXO port. The PHONE port next to the power supply is an FXS
port. The LINE port on the back right of the HT503 is an FXO port. Both the FXS port and the FXO port
can have a separate SIP account. This is a key feature of HT503 as it supports simultaneous calls on
both the FXS port and FXO port. Telephone calls can be originated from or terminated on the PSTN
network remotely via the FXO port.
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TABLE 1:DEFINITIONS OF THE HT503CONNECTORS
12VDC, 0.5A
LAN Port (RJ-45)
WAN Port (RJ-45)
PHONE (RJ-11)
LINE (RJ-11)
Power adapter connection
Connect the LAN port with an Ethernet cable to your PC.
Connect the WAN port to the internal LAN network or router.
FXS port to be connected to analog phones / fax machines.
FXO port should be connected to the PSTN line
TABLE 2:HT503LEDDEFINITIONS
LEDs
POWER LED
WAN LED
LAN LED
PHONE/ LINE LED
Note: Slow blinking of POWER, WAN, and LAN LEDs together indicate firmware upgrade/provisioning state.
Indicates Power. Remains ON when power is connected
Indicates LAN (or WAN) port activity
Indicates PC (or LAN) port activity
Indicates the status of the FXS and FXO ports on the back
panel.
Busy – ON (Solid Green) Available – OFF
Slow blinking FXS LEDs indicates voicemail for that port.
FIGURE 2:INTERCONNECTION DIAGRAM OF THE HT503
Internet ADSL/Cable
Modem Ethernet
WAN
FXS FXO
Analog Phone
PSTN
Cloud
LAN
Cordless
Fax
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Firmware 1.0.4.2 Last Updated: 06/2011
PRODUCT OVERVIEW
The HT503 is an affordable, high-quality, integrated IP telephony solution for both the residential
customers and the ‘road-warriors’ who need advanced call features between traditional PSTN network
and IP network. The HT503 enables IP connectivity for any phone or fax using the FXS port and a webbased GUI for easy configuration and installation. It functions as a true FXO gateway that enables remote
call origination and termination from/to PSTN and supports the feature of “hop-on/hop-off” using the
programmable FXO port.
Software Features Overview
The HT503 features 2 SIP account profiles and supports advanced telephony features including caller ID,
call waiting, call transfer, 3-way conferencing (with either IP or PSTN calls), and multi-language voice
prompts. From a technical standpoint, the HT503 offers a power-outage survivable life line and internetdisconnect survivable fail-over-to-PSTN support, dual 10/100Mbps Ethernet ports with integrated highperformance NAT router, a flexible dial plan and a broad range of popular voice codecs.
T
ABLE 3:HT503TECHNICAL SPECIFICATIONS
Interfaces
Protocol Support
LED Indicators
RESET Button
Device Management
Support device configuration via built-in IVR, Web browser or central configuration file
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
Auto/manual provisioning system
NAT-friendly remote software upgrade (via TFTP/HTTP/HTTPS) for deployed devices
Syslog support
DHCP Server/Client
Audio Features
Call Handling Features
Network and
Provisioning
Fax over IP
1 FXS telephone port (RJ11), 1 FXO PSTN line port (RJ11) with lifeline support
Two (2) 10M/100 Mbps ports (RJ45) with integrated Nat router
TCP/UDP/IP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP,
PPPoE, STUN & TELNET protocols
Power, WAN, LAN, PHONE, and LINE
Factory Reset Button
Web interface or via secure (AES encrypted) central configuration file for mass
deployment
through TFTP, HTTP or HTTPS
including behind firewall/NAT
Yes
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723, G.729/E, G.711, G.726-40/32/24/16, iLBC, T.38 codecs
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Silence Suppression, VAD (voice activity detection), CNG (comfort noise generation),
ANG (automatic gain control)
Adaptive jitter buffer control
Packet delay & loss concealment (PLC) & G.168 compliant Line Echo Cancellation
Support volume amplification
Support configurable Call Progress Tones
Caller ID display or block, Call waiting caller ID, Call waiting/flash, Call transfer, hold,
call forward, do not disturb, 3-way conferencing
Manual or dynamic host configuration protocol (DHCP) network setup; RTP and NAT
support traversal via STUN
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Grandstream Networks, Inc. HT503 User Manual Page 7 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
Pass-through (pending), Fax Data pump V.17, V.19, V.27ter, V.29 for T.38 fax relay
Security
Physical Design
DIGEST authentication and encryption using MD5 and MD5-sess
Stylish and compact design; small universal power supply, ideal for travel
Hardware Specification
The table below lists the hardware specification of HT503.
T
ABLE 4:HT503HARDWARE SPECIFICATION
LAN interface
WAN interface
FXS telephone port
FXO telephone port (PSTN Port)
LED
Universal Switching
Power Adaptor
Dimension
Weight
Temperature
Humidity
Compliance
1xRJ45 10/100 Mbps Port
1xRJ45 10/100 Mbps Port
1 x FXS (RJ11)
1x PSTN pass-through and life line port
Power, WAN, LAN, PHONE, and LINE (Green)
Input: 100–240 VAC, 50-60 Hz
Output: 12VDC, 0.5A, UL certified
25mm x 115mm x 75mm (when laying flat);
115mm x 25mm x 75mm (standing up)
Approximately 0.6lbs (0.3kg)
Operational: 32° - 104°F or 5° – 45°C
Storage: 10°–130°F
10% - 90%
(non-condensing)
Grandstream Networks, Inc. HT503 User Manual Page 8 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
BASIC OPERATIONS
Understanding HT503 Voice Prompt
HT503 has a built-in voice prompt menu for simple device configuration. The voice prompt menu is
designed for the FXS port only. To enter the voice prompt menu, press *** from the analog phone
connected to the FXS port.
ABLE 5:HT503IVRMENU DEFINITIONS
T
Menu Voice Prompt Options
Main Menu
01
02
03
04
05
07
10
12
13
14
15
16
17
47
86
99
“Enter a Menu Option”
“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
MAC Address
WAN Port Web Access
Firmware Server IP Address
Configuration Server IP
Address
Upgrade Protocol
Firmware Version
Firmware Upgrade
“Direct IP Calling”
Voice Mail
“RESET”
Press “*” for the next menu option
Press “#” to return to the main menu
Enter 01-05, 07,10,12-17,47 or 99 menu options
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. You need to reset the HT to take affect the new IP address.
Press “9” to move to the next selection in the list:
• PCM U / PCM A
• iLBC
• G.726
• G.723
• G.729
Announces the MAC address.
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 / HTTPS
Firmware version information.
Firmware upgrade mode. Press “9” to toggle among the following
three options:
- always check
- check when pre/suffix changes
- never upgrade
Enter the IP address to make a direct IP call, after dial tone. (See
“Make a Direct IP Call”.)
Number of voice mails
Press “9” to reboot the device; or
Enter encoded MAC address to restore factory default setting (See
Grandstream Networks, Inc. HT503 User Manual Page 9 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
“Restoring Factory Settings”)
NOTE
:
• “*” shifts down to the next menu option
• “#” returns to the main menu
• “9” functions as the ENTER key in many cases to confirm an option
• All entered digit sequences have known lengths - 2 digits for menu option. For IP address, the "*"
key represent the dot "." (Like 192.168.0.26 should be key in like 192*168*0*26). Once all of the
digits are collected, the input will be processed.
•Key entry can not be deleted but the phone may prompt error once it is detected
“Invalid Entry”
Automatically returns to main menu
Placing a Phone Call
Phone or Extension Numbers
There are currently two methods to make an extension number call:
a) Dial the numbers directly and wait for 4 (default) seconds.
b) Dial the numbers directly, and press # (assuming that “use # as dial key” is selected in the web
configuration).
E
XAMPLES:
•To dial another extension on the same proxy, such as 1008, simply pick up the attached phone,
dial 1008 and then press the # or wait for 4 seconds.
• To dial a PSTN number such as 6266667890, you may need a prefix number followed by the
phone number. Please check with your VoIP service provider for this information. If your phone is
assigned a PSTN-like number such as 6265556789, you will most likely follow the rule 1 + (the
number) – 16266667890. Press # or wait for 4 seconds.
Direct IP Calls
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.
Elements necessary to completing a Direct IP Call:
• Both HT503 and other VoIP Device, have public IP addresses, or
• Both HT503 and other VoIP Device are on the same LAN using private IP addresses, or
• Both HT503 and other VoIP Device can be connected through a router using public or private IP
addresses (with necessary port forwarding or DMZ).
HT503 supports two ways to make Direct IP Calling:
Using IVR
1. Pick up the analog phone then access the voice menu prompt by dial “***”
2. Dial “47” to access the direct IP call menu
3. Enter the IP address using format ex. 192*168*0*160 after the dial tone.
Using Star Code
Grandstream Networks, Inc. HT503 User Manual Page10 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
1. Pick up the analog phone then dial “*47”
2. Enter the target IP address using same format as above.
Note: NO dial tone will be played between step 1 and 2.
Destination ports can be specified by using “*” (encoding for “:”) followed by the port number.
Examples:
a) If the target IP address is 192.16 8.0.160, the dialing convention is
*47 or Voice Prompt with option 47, then 192*168*0*160.
followed by pressing the “#” key if it is configured as a send key or wait 4 seconds. In this case,
the default destination port 5060 is used if no port is specified
b) If the target IP address/po rt is 192.168.1.20:5062, then the dialing convention would be:
*47 or Voice Prompt with option 47, then 192*168*0*160*5062 followed by pressing the “#” key
if it is configured as a send key or wait for 4 seconds.
NOTE: When completing direct IP call, the “Use Random Port” should set to “NO”. You can not make
direct IP calls between FXS1 to FXS2 since they are using same IP.
.
Call Hold
This function is applicable on the FXS port for VoIP calls only. While in conversation, pressing the “flash”
button on the connected phone (if the phone has that button) places the remote end on hold. Pressing the
“flash” button again releases the previously held party and the conversation can resume. If no “flash”
button is available, then on-off hook quickly (hook flash) will do the same thing. You may lose the call if
‘hook flash’ is not quick enough.
Call Waiting
This function is applicable on FXS port for VoIP calls only. If the call waiting feature is enabled, the user
will hear a special stutter tone if there is another call on the line. Press the flash button to place the
current party on hold and switch to the other call. Pressing the flash button toggles between two active
calls. The HT503 also provides CWCID (call waiting caller ID) information which includes caller ID
information in addition to the special stutter tone. The analog phone must support this feature for it to
work on the HT503. Both call waiting functions (call waiting and CWCID) are activated and deactivated
from the configuration pages menu.
Call Transfer
The HT503 supports both blind transfer and attended transfer.
Blind Transfer
This function is applicable using the FXS port for VoIP calls only.
conversation. Party A wants to Blind Transfer Party B to C:
3. A presses FLASH on the analog phone to hear the dial tone.
4. Then A dials *87, then dials C’s number, and then presses #
5. A can hang up.
NOTE: “Enable Call Feature” has to be set to “Yes” in web configuration page.
Assume that parties A and B are in
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Firmware 1.0.4.2 Last Updated: 06/2011
Three situations can follow the transfer:
1. A quick confirmation tone (temporarily using the call waiting indication tone) followed by a
dialtone. This indicates the transfer was successful (transferee has received a 200 OK from
transfer target). A can either hang up or make another call.
2. A quick busy tone followed by a restored call (on supported platforms only). This means the
transferee has received a 4xx response for the INVITE and we will try to recover the call. The
busy tone indicates the transfer has failed.
3. Busy tone keeps playing. This means we have failed to receive the second NOTIFY from the
transferee and the call has timed out.
Note: this does not indicate the transfer has been successful, nor does it indicate the transfer has
failed. When transferee is a client that does not support the second NOTIFY (such as our own
earlier firmware), this situation occurs. In bad network scenarios, this could also happen,
although the transfer may have been completed successfully.
Attended Transfer
This function is applicable on the FXS port for VoIP calls only.
conversation. Party A wants to Attend Transfer Party B to C:
1. A presses FLASH on the analog phone to get a dial tone;
2. A then dial C’s number followed by #.
3. If C answers the call, Aand C are in conversation. Then A can hang up to complete transfer.
4. If C does not answer the call, A can press “flash” back to talk to B.
NOTE: When Attended Transfer fails and A hangs up, the HT503 will ring user A back again to remind
A that party B is still on the call. Party A can pick up the phone to resume a conversation with party B.
Assume that parties A and B are in
3-way Conferencing
The HT503 supports Bellcore Style 3-way conferencing.
Assume that parties A and B are in conversation. Party A (using the HT503) wants to bring C into a 3way conference:
1. A presses FLASH (on the analog phone, or Hook Flash for old model phones) to get a dial
tone.
2. A dials C’s number then # (or wait for 4 seconds).
3. If C answers the call, then A presses FLASH to bring B, C in the conference.
4. If C does not answer the call, A can press FLASH back to talk to B.
5. If A presses FLASH during the conference, C will be dropped out.
6. If A hangs up, the conference will be terminated for all three parties when configuration
“Transfer on Conference Hangup” is set to “No”. If the configuration is set to “Yes”, A will
transfer B to C so that B and C can continue the conversation.
PSTN Pass Through
HT503 supports PSTN pass through using the FXS port. The user can place and receive PSTN calls
using analog phone connected to FXS port.
Grandstream Networks, Inc. HT503 User Manual Page 12 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
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