Grandstream HT801/HT802 Analog Telephone Adaptors User Guide

This guide provides comprehensive instructions for setting up, configuring, and using the Grandstream HT801 and HT802 Analog Telephone Adaptors.

Document Purpose

This document describes the basic concept and tasks necessary to use and configure your HT801/HT802. It covers connecting, configuring, basic operations, and call features. Download the latest version from grandstream.com/support.

This guide covers the following topics:

Change Log

This section documents significant changes from previous versions of the user guide. Only major new features or updates are listed.

Firmware Version 1.0.33.4

No major changes.

Firmware Version 1.0.31.1

No major changes.

Firmware Version 1.0.29.8

No major changes.

Firmware Version 1.0.27.2

No major changes.

Firmware Version 1.0.25.5

No major changes.

Firmware Version 1.0.23.5

No major changes.

Firmware Version 1.0.21.4

Added support for "Play Busy Tone When Account is unregistered" (Placing a phone call).

Firmware Version 1.0.19.11

No major changes.

Firmware Version 1.0.17.5

No major changes.

Firmware Version 1.0.15.4

No major changes.

Firmware Version 1.0.13.7

Added support to verify if the configured Gateway is on the same subnet as the configured IP address.

Firmware Version 1.0.11.6

No major changes.

Firmware Version 1.0.10.6

Added support for codec G722.

Firmware Version 1.0.9.3

No major changes.

Firmware Version 1.0.8.7

Added support for device upgrades via FTP/FTPS server.

Firmware Version 1.0.5.11

Changed default "Upgrade Via" from HTTP to HTTPS. Added support for 3-level access through RADIUS authorization (Admin, User, Viewer).

Firmware Version 1.0.3.7

No major changes.

Firmware Version 1.0.2.7

No major changes.

Firmware Version 1.0.2.3

No major changes.

Firmware Version 1.0.1.9

This is the initial version.

GUI Interface Examples

Download GUI screenshots from: ht80X_web_gui.zip

  1. Screenshot of Login Page
  2. Screenshots of Status Page
  3. Screenshots of Basic Settings Page
  4. Screenshots of Advanced Settings Page
  5. Screenshots of FXS Port 1 Page
  6. Screenshots of FXS Port 2 Page

Welcome

The HT801/HT802 analog telephone adaptors provide transparent connectivity for analog phones and faxes to the world of internet voice. They are an effective and flexible solution for accessing internet-based telephone services and corporate intranet systems. This manual will help you learn how to operate and manage your adaptor, including its features like simple installation, 3-way conferencing, and direct IP-IP Calling. The HT801/HT802 are easy to manage and configure, designed as an affordable VoIP solution for both residential users and teleworkers.

Product Overview

The HT801 is a one-port analog telephone adapter (ATA), while the HT802 is a 2-port ATA. They enable users to create a high-quality, manageable IP telephony solution for residential and office environments. Their compact size, voice quality, advanced VoIP functionality, security protection, and auto-provisioning options allow users to leverage VoIP on analog phones and enable service providers to offer high-quality IP service. The HT801/HT802 are ideal for individual use and large-scale commercial IP voice deployments.

Feature Highlights

The following table contains major features of HT801 and HT802:

Table 1: HT801/HT802 Features at a Glance
HT801HT802
1 SIP profile through 1 FXS port2 SIP profiles through 2 FXS ports on HT802 and single 10/100Mbps port on both models.
3-way voice conferencing.3-way voice conferencing.
Wide range of caller ID formats.Wide range of caller ID formats.
Advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multi-language prompts, flexible dial plan and more.Advanced telephony features, including call transfer, call forward, call-waiting, do not disturb, message waiting indication, multi-language prompts, flexible dial plan and more.
T.38 Fax for creating Fax-over-IP and GR-909 Line Testing Functionalities.T.38 Fax for creating Fax-over-IP and GR-909 Line Testing Functionalities.
TLS and SRTP security encryption technology to protect calls and accounts.TLS and SRTP security encryption technology to protect calls and accounts.
Automated provisioning options include TR-069 and XML config files.Automated provisioning options include TR-069 and XML config files.
Failover SIP server automatically switches to secondary server if main server loses connection.Failover SIP server automatically switches to secondary server if main server loses connection.
Use with Grandstream's UCM series of IP PBXs for Zero Configuration provisioning.Use with Grandstream's UCM series of IP PBXs for Zero Configuration provisioning.

HT801/HT802 Technical Specifications

The following table summarizes technical specifications, including protocols, voice codecs, telephony features, languages, and upgrade/provisioning settings.

Table 2: HT801/HT802 FXS Analog Telephone Adapter Technical Specifications
InterfacesHT801HT802
Telephone InterfacesOne (1) RJ11 FXS portTwo (2) RJ11 FXS ports.
Network InterfaceOne (1) 10/100Mbps auto-sensing Ethernet port (RJ45).
LED IndicatorsPOWER, INTERNET, PHONEPOWER, INTERNET, PHONE1, PHONE2.
Factory Reset ButtonYes.Yes.
Voice, Fax, ModemHT801HT802
Telephony FeaturesCaller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference.
Voice CodecsG.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B, G.726, G722, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation.
Fax over IPT.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through.
Short/Long Haul Ring Load5 REN: Up to 1km on 24 AWG.2 REN: Up to 1km on 24 AWG.
Caller IDBellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID.
Disconnect MethodsBusy Tone, Polarity Reversal/Wink, Loop Current.
SignalingHT801HT802
Network ProtocolsTCP/IP/UDP, RTP/RTCP, FTP/FTPS, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069, DDNS.
QoSLayer 3 (ToS, DiffServ, MPLS).
DTMF MethodsIn-audio, RFC2833 and/or SIP INFO.
Provisioning and ControlHTTP, HTTPS, FTP, FTPS, SSH, Telnet, TFTP, TR-069, secure and automated provisioning using AES encryption, syslog.
SecurityHT801HT802
MediaSRTP.
ControlTLS/SIPS/HTTPS/SSH/Telnet.
ManagementSyslog support, SSH, Telnet remote management using web browser.
PhysicalHT801HT802
Universal Power SupplyInput: 100-240VAC, 50-60Hz. Output: 5.0VDC/1.0A.
EnvironmentalOperational: 32° – 104°F (0° – 40°C). Storage: 14° – 140°F (-10° – 60°C). Humidity: 10 – 90% Non-condensing.
Dimensions and Weight100mm x 100mm x 29.5mm; 102g100mm x 100mm x 29.5mm; 114g (without package).
ComplianceHT801HT802
ComplianceFCC Part15B, EN55032, EN55024, EN61000-3-2, EN61000-3-3, EN60950-1, AS/NZS CISPR22, AS/NZS60950.1, S003 (HT801); FCC 15B, AS/NZS CISPR22, AS/NZS60950, EN55022, EN55024, EN60950, EN61000-3-2, EN61000-3-3, UL (Power supply) (HT802).

Getting Started

This chapter provides basic installation instructions and information for optimal performance.

Equipment Packaging

The HT801 ATA package contains:

The HT802 ATA package contains:

Note: Check the package before installation. Contact your system administrator if anything is missing.

HT801/HT802 Ports Description

The back panel of the HT801 features:

The back panel of the HT802 features:

Table 3: Definition of the HT801/HT802 Connectors
PortDescription
Phone for HT801 / Phone 1 & 2 for HT802Used to connect analog phones / fax machines using an RJ-11 telephone cable.
Internet portUsed to connect to your router or gateway using an Ethernet RJ45 network cable.
Micro USB PowerConnects the phone adapter to PSU (5V – 1A).
ResetFactory reset button, press for 7 seconds to reset factory default settings.

Connecting HT801/HT802

Follow these steps to connect your HT801 or HT802:

  1. Insert a standard RJ11 telephone cable into the phone port and connect the other end to an analog telephone.
  2. Insert the Ethernet cable into the internet or LAN port and connect the other end to an uplink port (router or modem).
  3. Insert the power adapter into the HT801/HT802 and connect it to a wall outlet.

Power, Ethernet, and Phone LEDs will be solidly lit when the device is ready.

Diagram Description (Figure 5: Connecting the HT801/HT802): Shows a phone connected to the HT801/HT802's phone port, and the HT801/HT802 connected via Ethernet to an IP PBX or the Internet.

HT801/HT802 LEDs Pattern

The HT801 has 3 LED buttons, and the HT802 has 4 LED buttons to indicate device status.

Diagram Description (Figure 6: HT801/HT802 LEDs Pattern): Shows the top view of the HT801 and HT802 devices, highlighting the LED indicators.

Table 4: HT801/HT802 LEDs Pattern Description
LED LightsStatus
Power LEDLights up when powered on; flashes when booting up.
Internet LEDLights up when connected to the network; flashes when data is sent or received.
Phone LED for HT801Indicates status of the FXS port.
Phone LED 1&2 for HT802
  • OFF: Unregistered
  • ON (Solid Blue): Registered and Available
  • Blinking every second: Off-Hook / Busy
  • Slow blinking: Indicates voicemail

Configuration Guide

The HT801/HT802 can be configured via:

Obtain HT801/HT802 IP Address via Connected Analogue Phone

By default, the device obtains an IP address from a DHCP server. To find the IP address:

  1. Connect a phone to the HT801/HT802.
  2. Press "***" (star key three times) to access the IVR menu.
  3. Listen for "Enter the menu option".
  4. Press "02" to hear the current IP address.

Understanding HT801/HT802 Interactive Voice Prompt Response Menu

The IVR menu allows simple device configuration. Pick up the handset and dial "***" to access it.

Table 5: Voice Prompt Menu
MenuVoice PromptOptions
Main Menu"Enter a Menu Option"Press "*" for next option, "#" to return to main menu. Enter 01-05, 07,10, 13-17,47 or 99 for menu options. Press "9" to toggle selection.
01"DHCP Mode", "Static IP Mode"If using "Static IP Mode", configure IP using menus 02 to 05.
02"IP Address " + IP addressIf using "Dynamic IP Mode", IP is obtained from DHCP. If using "Static IP Mode", enter a 12-digit IP address. Reboot required for changes to take effect.
03"Subnet " + IP addressSame as menu 02.
04"Gateway " + IP addressSame as menu 02.
05"DNS Server " + IP addressSame as menu 02.
07Preferred VocoderPress "9" to move through options: PCM U / PCM A, iLBC, G-726, G-723, G-729, OPUS, G722.
10"MAC Address"Announces the unit's MAC address.
13Firmware Server IP AddressAnnounces current Firmware Server IP address. Enter new IP address.
14Configuration Server IP AddressAnnounces current Config Server Path IP address. Enter new IP address.
15Upgrade ProtocolChoose between TFTP, HTTP, HTTPS, FTP, FTPS. Default is HTTPS.
16Firmware VersionDisplays firmware version information.
17Firmware UpgradeChoose upgrade mode: "always check", "check when pre/suffix changes", "never upgrade".
47"Direct IP Calling"Enter target IP address for direct IP calls.
86Voice MailAccess voice mail messages.
99"RESET"Press "9" to reboot. Enter encoded MAC address to restore factory defaults.
701-702Phone calls between different ports of the same HT802HT802 supports inter-port calling. Dial ***70X (X is port number).
"Invalid Entry"Automatically returns to main menu.
"Device not registered"Played after off-hook if device is not registered and "Outgoing Call without Registration" is NO.

Tips for using voice prompt:

Configuration via Web Browser

The HT801/HT802 has an embedded Web server for configuration via a web browser (e.g., Chrome, Firefox, IE).

Accessing the Web UI

  1. Connect your computer to the same network as the HT801/HT802.
  2. Ensure the HT801/HT802 is booted up.
  3. Check the IP address using the IVR (see "Obtain HT801/HT802 IP Address via Connected Analogue Phone").
  4. Open a web browser on your computer.
  5. Enter the HT801/HT802's IP address in the browser's address bar.
  6. Enter the administrator's password to access the Web Configuration Menu.

Notes:

Web UI Access Level Management

Default passwords for login:

Table 6: Web UI Access Level Management
User LevelPasswordWeb Pages Allowed
End User Level123Only Status and Basic Settings can be modified.
Administrator LeveladminAll pages
Viewer LevelviewerOnly checking, Not allowed to modify content.

Passwords are case-sensitive, up to 25 characters.

To save changes, press "Update" or "Apply". Reboot the device if necessary for changes to take effect (especially for Advanced Settings and FXS Port pages).

Saving the Configuration Changes

Pressing "Update" saves changes but does not apply them until "Apply" is clicked. You can directly press "Apply". It is recommended to reboot or power cycle the device after applying changes.

Changing Admin Level Password

  1. Access the web UI via IP address.
  2. Enter admin password (default: admin).
  3. Navigate to Advanced Settings > Admin Password.
  4. Enter and confirm the new admin password.
  5. Press Apply.

Diagram Description (Figure 7: Admin Level Password): Shows the interface for changing the Admin Level Password.

Changing User Level Password

  1. Access the web UI.
  2. Enter admin password (default: admin).
  3. Navigate to Basic Settings > End User Password.
  4. Enter and confirm the new user password.
  5. Press Apply.

Diagram Description (Figure 8: User Level Password): Shows the interface for changing the User Level Password.

Changing Viewer Password

  1. Access the web UI.
  2. Enter admin password (default: admin).
  3. Navigate to Basic Settings > New Viewer Password.
  4. Enter and confirm the new viewer password.
  5. Press Apply.

Diagram Description (Figure 9: Viewer Level Password): Shows the interface for changing the Viewer Level Password.

Changing HTTP Web Port

  1. Access the web UI.
  2. Enter admin password (default: admin).
  3. Navigate to Basic Settings > Web Port.
  4. Change the current port (accepted range: 1-65535).
  5. Press Apply.

Diagram Description (Figure 10: Web HTTP Port): Shows the Web/SSH Access settings, including HTTP Web Port.

NAT Settings

For devices behind a firewall, using a STUN Server is recommended. Settings include:

  1. STUN Server: Enter a STUN server IP or FQDN. Leave blank if using a public IP.
  2. Use Random SIP/RTP Ports: Set to "Yes" for multiple IP devices on the same network; "No" for a public IP address.
  3. NAT traversal: Set to "Yes" if the gateway is behind a firewall on a private network.

DTMF Methods

Supported DTMF modes:

Set priority based on server DTMF settings.

Preferred Vocoder (Codec)

Supported voice codecs:

Configuring the HT801/HT802 Through Voice Prompts

Use the IVR menu for configuration. Refer to "Understanding HT801/HT802 Interactive Voice Prompt Response Menu" for details.

Register a SIP Account

The HT801 supports 1 SIP account per FXS port; the HT802 supports 2 SIP accounts per FXS port. Register via the web interface:

  1. Access the web UI.
  2. Enter admin password (default: admin) and Login.
  3. Go to FXS Port (1 or 2) pages.
  4. In the FXS Port tab, configure:
    • Account Active: Yes.
    • Primary SIP Server: SIP server IP address or FQDN.
    • Failover SIP Server: Failover SIP Server IP address or FQDN (optional).
    • Prefer Primary SIP Server: Yes/No (No if no Failover SIP Server).
    • Outbound Proxy: Outbound Proxy IP Address or FQDN (optional).
    • SIP User ID: Provided by VoIP service provider.
    • Authenticate ID: SIP service subscriber's Authenticate ID.
    • Authenticate Password: SIP service subscriber's account password.
    • Name: Identifier for the user.
  5. Press Apply to save.

Diagram Description (Figure 11: SIP Accounts Settings): Shows the configuration interface for SIP accounts.

After configuration, verify registration status in Status > Port Status > Registration. It should display "Registered".

Diagram Description (Figure 12: Account Status): Shows the status of registered accounts.

Note: For HT802, simultaneous ring may have a one-second delay between rings on each phone if all FXS ports are registered.

Rebooting the HT801/HT802 from Remote

Press the "Reboot" button in the configuration menu. The web browser will show a confirmation message. Wait 30 seconds before logging in again.

Call Features

The HT801/HT802 support traditional and advanced telephony features.

Table 7: HT801/HT802 Call Features
KeyCall features
*02Forcing a Codec (per call): *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729 (G729), *027201 (iLBC), *02722 (G722).
*03Disable LEC (per call). Dial "*03" + number. No dial tone is played.
*16Enable SRTP.
*17Disable SRTP.
*30Block Caller ID (for all subsequent calls).
*31Send Caller ID (for all subsequent calls).
*47Direct IP Calling. Dial "*47" + "IP address". No dial tone is played.
*50Disable Call Waiting (for all subsequent calls).
*51Enable Call Waiting (for all subsequent calls).
*67Block Caller ID (per call). Dial "*67" + number. No dial tone is played.
*82Send Caller ID (per call). Dial "*82" + number. No dial tone is played.
*69Call Return Service: Dial *69 to call the last incoming number.
*70Disable Call Waiting (per call). Dial "*70" + number. No dial tone is played.
*71Enable Call Waiting (per call). Dial "*71" + number. No dial tone is played.
*72Unconditional Call Forward: Dial "*72" + forwarding number + "#". Wait for dial tone and hang up.
*73Cancel Unconditional Call Forward: Dial "*73", wait for dial tone, then hang up.
*74Enable Paging Call: Dial "*74" + destination phone number.
*78Enable Do Not Disturb (DND): Rejects all incoming calls.
*79Disable Do Not Disturb (DND): Accepts incoming calls.
*87Blind Transfer.
*90Busy Call Forward: Dial "*90" + forwarding number + "#". Wait for dial tone, then hang up.
*91Cancel Busy Call Forward: Dial "*91", wait for dial tone, then hang up.
*92Delayed Call Forward: Dial "*92" + forwarding number + "#". Wait for dial tone, then hang up.
*93Cancel Delayed Call Forward: Dial "*93", wait for dial tone, then hang up.
Flash/HookToggles between active and incoming calls (call waiting tone). If not in conversation, toggles to a new channel for a new call.
#Pressing pound sign acts as a Re-Dial key.

Call Operations

Placing a phone call

To make outgoing calls:

  1. Pick up the handset.
  2. Dial the number directly and wait 4 seconds (default "No Key Entry Timeout"), or
  3. Dial the number directly and press "#" (if configured as dial key).

Examples:

Notes:

Direct IP calls

Allows calls between an analog phone (via FXS Port) and another VoIP Device without a SIP proxy.

Requirements:

Methods for Direct IP Calling:

Using IVR

  1. Pick up the analog phone and dial "***" to access the voice menu.
  2. Dial "47" for the direct IP call menu.
  3. Enter the IP address after the dial tone.

Using Star Code

  1. Pick up the analog phone and dial "*47".
  2. Enter the target IP address.

Note: Use "*" (encoding for ":") followed by the port number if specifying a port.

Examples of Direct IP Calls:

Note: Set "Use Random SIP/RTP Port" to "NO" for direct IP calls.

Call Hold

Press the "flash" button on the phone (or use "hook flash" if no flash button) to place a call on hold. Press again to resume. Hook flash can also drop a call.

Call Waiting

A 3-short-beep tone indicates an incoming call if Call Waiting is enabled. Press the "flash" button to toggle between the active call and the incoming call.

Call Transfer

Blind Transfer

To blind transfer a call from Phone B to Phone C (initiated by Phone A):

  1. On Phone A, press FLASH to get dial tone.
  2. Dial *87, then Phone C's number, then "#" or wait 4 seconds.
  3. Phone A hears dial tone and can hang up.

Attended Transfer

To attend transfer a call from Phone B to Phone C (initiated by Phone A):

  1. On Phone A, press FLASH to get dial tone.
  2. Phone A dials Phone C's number, then "#" or wait 4 seconds.
  3. If Phone C answers, Phone A and C converse. Phone A hangs up to complete the transfer.
  4. If Phone C does not answer, Phone A presses "flash" to resume the call with Phone B.

Note: If attended transfer fails and Phone A hangs up, the HT801/HT802 will ring Phone A back.

3-Way Conferencing

To add Phone C to a call between Phone A and Phone B (initiated by Phone A):

  1. Phone A presses FLASH to get dial tone.
  2. Phone A dials Phone C's number, then "#" or wait 4 seconds.
  3. If Phone C answers, Phone A presses FLASH to bring B and C into the conference.
  4. If Phone C does not answer, Phone A presses FLASH to talk to Phone B.
  5. Pressing FLASH during conference drops Phone C.
  6. If "Transfer on Conference Hang up" is "No", hanging up by Phone A terminates the conference. If "Yes", Phone A transfers B to C, and B and C continue the conversation.

Call Return

To call back the latest incoming number:

  1. Pick up the handset.
  2. After hearing dial tone, input "*69".
  3. The phone will automatically call back the last incoming number.

Inter-Port Calling

For the HT802 used as a standalone unit, make calls between connected phones using the IVR feature: Dial ***70X (X is the port number, e.g., ***701 for port 1).

Flash Digit Control

If "Flash Digit Control" is enabled in the web UI, call operations change:

Restore Factory Default Settings

Warning: Restoring defaults deletes all configuration. Backup settings first.

Using the Reset Button

  1. Unplug the Ethernet cable.
  2. Locate the reset hole on the back panel.
  3. Insert a pin and press for about 7 seconds.
  4. Remove the pin. All settings are restored.

Using the IVR Command

  1. Dial "***" for voice prompt.
  2. Enter "99" and wait for the "reset" prompt.
  3. Enter the encoded MAC address.
  4. Wait 15 seconds for reboot and restore.

Encode the MAC Address

Locate the 12-digit HEX MAC address on the unit. Use the following mapping:

Table 8: MAC Address Key Mapping
KeyMapping
0-90-9
A22 (press "2" twice)
B222
C2222
D33 (press "3" twice)
E333
F3333

Example: MAC address 000b8200e395 should be keyed as "0002228200333395".

Experiencing HT801/HT802

Visit www.grandstream.com for the latest updates, features, FAQs, documentation, and news.

Browse product documentation, FAQs, and the User and Developer Forum for answers to general questions.

For support, contact a Grandstream Certified Partner or Reseller, or reach out to technical support directly. You can also submit a trouble ticket online for in-depth support.

Thank you for purchasing the Grandstream analogue telephone adapter.

Models: HT801, HT802, Analog Telephone Adaptors

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