1. හැඳින්වීම
The Grandstream HT812 is a powerful 2-port Analog Telephone Adapter (ATA) designed for users seeking to convert traditional analog phones into Voice over IP (VoIP) devices. It features two FXS ports for connecting analog telephones and dual Gigabit Ethernet ports, including a built-in NAT router capable of handling routing speeds up to 100Mbps. This device supports 2 SIP profiles and incorporates advanced security encryption technologies like TLS and SRTP to protect calls and accounts, ensuring secure and reliable communication.
This manual provides detailed instructions for the proper installation, configuration, and operation of your HT812 device.
2. පැකේජ අන්තර්ගතය
කරුණාකර ඔබගේ පැකේජයේ පහත අයිතම අඩංගු දැයි තහවුරු කරගන්න:
- Grandstream HT812 Analog Telephone Adapter
- විශ්ව බල ඇඩැප්ටරය
- ඊතර්නෙට් කේබලය
- Quick Installation Guide (This document serves as the comprehensive user manual)
3. භෞතික අවසානයview
Familiarize yourself with the ports and indicators on the HT812 device.
රූපය 1: ඉදිරිපස view of the Grandstream HT812, showing the power, phone line 1, phone line 2, internet, and LAN indicator lights.
රූපය 2: පසුපස view of the Grandstream HT812, displaying the power input, reset button, two LAN ports (blue), and two FXS phone ports (green).
රූපය 3: කෝණික view of the Grandstream HT812, showcasing its compact design and port layout from a side perspective.
4. පිහිටුවීම සහ ස්ථාපනය
4.1 Connecting the HT812
- ඊතර්නෙට් කේබලය සම්බන්ධ කරන්න:
- Connect the blue LAN port on the HT812 to your internet router or switch using an Ethernet cable.
- If using the HT812 as a router, connect your modem to the blue WAN port and your local network devices to the blue LAN port.
- Connect Analog Phones:
- Connect your analog telephone(s) to the green FXS ports (labeled 1 and 2) on the HT812 using standard RJ11 phone cables.
- සම්බන්ධක බලය:
- Connect the power adapter to the DC 12V power input on the HT812 and then plug it into a power outlet.
- The power indicator light on the front panel should illuminate.
4.2 වෙත ප්රවේශ වීම Web වින්යාස කිරීමේ අතුරුමුහුණත
To configure the HT812, you need to access its web අතුරු මුහුණත:
- Determine the IP Address:
- Connect an analog phone to FXS port 1.
- ඩයල් කරන්න *** (three asterisks) to access the IVR menu.
- When prompted, dial 02 to hear the device's current IP address.
- Alternatively, check your router's DHCP client list for a device named "Grandstream" or by its MAC address (found on the bottom of the HT812).
- ඇතුල් වන්න:
- a විවෘත කරන්න web browser on a computer connected to the same network as the HT812.
- Enter the IP address obtained in step 1 into the browser's address bar (e.g., http://192.168.1.100).
- පෙරනිමි පරිශීලක නාමය වේ පරිපාලක සහ පෙරනිමි මුරපදය වේ පරිපාලක (or found on the physical device label).
4.3 ස්ථිරාංග යාවත්කාලීන කිරීම
It is highly recommended to update the device firmware to the latest version for optimal performance and security.
- වෙත පිවිසෙන්න web සැකසුම් අතුරුමුහුණත.
- වෙත සංචාලනය කරන්න Maintenance > Upgrade and Provisioning.
- Set "Upgrade Via" to HTTP.
- ඇතුල් කරන්න firmware.grandstream.com in the "Firmware Server Path" field.
- ක්ලික් කරන්න අයදුම් කරන්න පිටුවේ පතුලේ.
- වෙතින් උපාංගය නැවත ආරම්භ කරන්න web අතුරු මුහුණත (Maintenance > Reboot) or by power cycling. The device will download and install the latest firmware. This process may take several minutes.
4.4 SIP ගිණුම් වින්යාසය
To make and receive calls, you need to configure your SIP account details provided by your VoIP service provider.
- වෙත පිවිසෙන්න web සැකසුම් අතුරුමුහුණත.
- වෙත සංචාලනය කරන්න Profile 1 (or the relevant profile for your service).
- Configure the following settings based on your VoIP provider's information:
- Primary SIP Server: Enter your provider's SIP server address (e.g., sip.yourprovider.com).
- SIP පරිශීලක හැඳුනුම්පත: Your SIP username or phone number.
- සත්යාපන හැඳුනුම්පත: Your SIP authentication ID (often the same as SIP User ID).
- මුරපදය: Your SIP account password.
- Ensure "SIP Registration" is set to ඔව්.
- ක්ලික් කරන්න අයදුම් කරන්න ඊළගට නැවත ආරම්භ කරන්න උපාංගය.
- After reboot, check the phone line indicator lights on the front panel. A solid blue light indicates successful SIP registration.
5. මෙහෙයුම් උපදෙස්
5.1 ඇමතුම් ලබා ගැනීම සහ ලබා ගැනීම
Once your SIP account is registered, you can use your analog phone connected to the HT812 just like a regular phone line.
- ඇමතුමක් ගැනීම: Pick up the handset, wait for a dial tone, and dial the desired phone number.
- ඇමතුමක් ලැබීම: When the phone rings, pick up the handset to answer.
5.2 NAT Router Functionality
The HT812 includes a built-in NAT router. When connected to your modem, it can provide network access to other devices connected to its LAN port. This functionality allows for efficient network management and can handle routing speeds up to 100Mbps.
5.3 ආරක්ෂක විශේෂාංග
The HT812 supports advanced security protocols to protect your communications:
- TLS (Transport Layer Security): Encrypts SIP signaling to prevent eavesdropping and tampering.
- SRTP (Secure Real-time Transport Protocol): Encrypts the voice data itself, ensuring privacy during calls.
These features can be configured within the web interface under the relevant SIP profile සැකසුම්.
6. නඩත්තු කිරීම
6.1 ස්ථිරාංග යාවත්කාලීන කිරීම්
Regularly checking for and applying firmware updates is crucial for maintaining the security, stability, and performance of your HT812. Refer to section 4.3 for detailed instructions on how to update the firmware.
6.2 උපාංග රැකවරණය
- උපාංගය සිසිල්, වියළි ස්ථානයක, සෘජු හිරු එළියෙන් සහ අධික තාපයෙන් ඈත්ව තබා ගන්න.
- උපාංගය ජලයට හෝ තෙතමනයට නිරාවරණය වීමෙන් වළකින්න.
- මෘදු වියළි රෙද්දකින් උපාංගය පිරිසිදු කරන්න. දියර හෝ එයරෙසෝල් පිරිසිදු කරන්නන් භාවිතා නොකරන්න.
7. දෝශ නිරාකරණය
මෙම කොටස ඔබේ Grandstream HT812 සමඟ ඔබට මුහුණ දීමට සිදුවිය හැකි පොදු ගැටළු ආමන්ත්රණය කරයි.
7.1 ඩයල් ටෝන් නැත
- බලය පරීක්ෂා කරන්න: Ensure the power adapter is securely connected and the power indicator light on the HT812 is on.
- Check Phone Connection: Verify that the analog phone is correctly plugged into one of the green FXS ports.
- Check SIP Registration: The phone line indicator light for the connected port should be solid blue. If it's off or blinking, the SIP account may not be registered. Review your SIP configuration in the web අතුරුමුහුණත (4.4 වගන්තිය).
- ජාල සම්බන්ධතාවය: Ensure the HT812 is connected to the internet and has a valid IP address. Check the internet indicator light.
7.2 Cannot Make or Receive Calls
- SIP Registration: Confirm that your SIP account is successfully registered (solid blue phone line indicator).
- අන්තර්ජාල සම්බන්ධතාවය: Verify that your internet connection is active and stable.
- Firewall/NAT Issues: If you are behind a firewall, ensure that the necessary VoIP ports (typically UDP 5060 for SIP and UDP 10000-20000 for RTP) are open or that NAT traversal settings are correctly configured in the HT812 web අතුරු මුහුණත.
- Dial Plan: Check the dial plan configuration in the web interface to ensure it matches your dialing habits and service provider requirements.
7.3 Web අතුරුමුහුණතට ප්රවේශ විය නොහැක
- IP ලිපිනය: Reconfirm the HT812's IP address using the IVR menu (dial ***02 from a connected phone) or your router's DHCP client list.
- ජාල සම්බන්ධතාවය: Ensure your computer is on the same local network as the HT812.
- පෙරනිමි අක්තපත්ර: If you forgot your password, you might need to perform a factory reset (see Section 7.4).
7.4 කර්මාන්තශාලා යළි පිහිටුවීම
A factory reset will restore all settings to their default values. This should be a last resort for troubleshooting.
- With the HT812 powered on, use a paperclip or a similar pointed object to press and hold the යළි පිහිටුවන්න button (located on the rear panel, see Figure 2) for approximately 7 seconds.
- Release the button when the indicator lights start to flash rapidly.
- The device will reboot with factory default settings. You will need to reconfigure all settings, including SIP accounts and network parameters.
8. පිරිවිතර
| ආකෘතිය | HT-812 |
| FXS වරාය | 2 |
| ඊතර්නෙට් වරාය | Dual Gigabit (WAN/LAN) |
| NAT Router Speed | 100Mbps දක්වා |
| SIP Profiles | 2 |
| ආරක්ෂාව | TLS සහ SRTP සංකේතනය |
| නිෂ්පාදන මානයන් | අඟල් 9 x 13 x 2.8 |
| අයිතමයේ බර | අවුන්ස 10.2 කි |
| බල ආදානය | DC 12V |
9. වගකීම් සහ සහාය
9.1 නිෂ්පාදන වගකීම්
Grandstream products are covered by a limited warranty. For detailed warranty information, please refer to the warranty card included with your product or visit the official Grandstream webඅඩවිය.
9.2 තාක්ෂණික සහාය
If you encounter issues that cannot be resolved using the troubleshooting steps in this manual, please contact Grandstream technical support. You can find support resources, FAQs, and contact information on the official Grandstream webඅඩවිය: www.grandstream.com/support.
