1. تعارف
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. پيڪيج مواد
مھرباني ڪري تصديق ڪريو ته توھان جي پيڪيج ۾ ھيٺيون شيون شامل آھن:
- Grandstream HT812 Analog Telephone Adapter
- يونيورسل پاور اڊاپٽر
- Ethernet ڪيبل
- Quick Installation Guide (This document serves as the comprehensive user manual)
3. جسماني اوورview
Familiarize yourself with the ports and indicators on the HT812 device.
شڪل 1: سامهون view of the Grandstream HT812, showing the power, phone line 1, phone line 2, internet, and LAN indicator lights.
شڪل 2: ريڙهه view of the Grandstream HT812, displaying the power input, reset button, two LAN ports (blue), and two FXS phone ports (green).
شڪل 3: زاويه view of the Grandstream HT812, showcasing its compact design and port layout from a side perspective.
4. سيٽ اپ ۽ تنصيب
4.1 Connecting the HT812
- ايٿرنيٽ ڪيبل ڳنڍيو:
- 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.
- پاور Connectنيو:
- 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 تائين رسائي Web ڪنيڪشن انٽرفيس
To configure the HT812, you need to access its web انٽرفيس:
- Determine the IP Address:
- Connect an analog phone to FXS port 1.
- ڊائل *** (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).
- لاگ ان:
- کوليو a 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).
- ڊفالٽ يوزر نالو آهي منتظم ۽ ڊفالٽ پاسورڊ آهي منتظم (or found on the physical device label).
4.3 فرم ویئر تازه ڪاري
It is highly recommended to update the device firmware to the latest version for optimal performance and security.
- ۾ لاگ ان ڪريو web ترتيب ڏيڻ وارو انٽرفيس.
- ڏانهن وڃو Maintenance > Upgrade and Provisioning.
- Set "Upgrade Via" to HTTP.
- داخل ڪريو firmware.grandstream.com in the "Firmware Server Path" field.
- ڪلڪ ڪريو لاڳو ڪريو صفحي جي تري ۾.
- ڊوائيس تان ريبوٽ ڪريو web انٽرفيس (Maintenance > Reboot) or by power cycling. The device will download and install the latest firmware. This process may take several minutes.
4.4 SIP Account Configuration
To make and receive calls, you need to configure your SIP account details provided by your VoIP service provider.
- ۾ لاگ ان ڪريو web ترتيب ڏيڻ وارو انٽرفيس.
- ڏانهن وڃو پروfile 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).
- ايس آءِ پي استعمال ڪندڙ جي سڃاڻپ: Your SIP username or phone number.
- سڃاڻپ جي تصديق ڪريو: Your SIP authentication ID (often the same as SIP User ID).
- پاسورڊ: Your SIP account password.
- Ensure "SIP Registration" is set to ها.
- ڪلڪ ڪريو لاڳو ڪريو ۽ پوءِ ريبوٽ ڊوائيس.
- After reboot, check the phone line indicator lights on the front panel. A solid blue light indicates successful SIP registration.
5. آپريٽنگ هدايتون
5.1 ڪالون ڪرڻ ۽ وصول ڪرڻ
Once your SIP account is registered, you can use your analog phone connected to the HT812 just like a regular phone line.
- ڪال ڪرڻ: Pick up the handset, wait for a dial tone, and dial the desired phone number.
- ڪال وصول ڪرڻ: 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 سيڪيورٽي خاصيتون
The HT812 supports advanced security protocols to protect your communications:
- TLS (Transport Layer Security): Encrypts SIP signaling to prevent eavesdropping and tampڀڙڪائڻ.
- 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 سيٽنگون.
6. سار سنڀال
6.1 فرم ویئر تازه ڪاريون
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 ڊيوائس سنڀال
- ڊوائيس کي ٿڌي، سڪل جاءِ تي رکو، سڌي سج جي روشني ۽ گهڻي گرمي کان پري.
- ڊوائيس کي پاڻي يا نمي کي ظاهر ڪرڻ کان بچاء.
- ڊوائيس کي نرم، سڪل ڪپڙي سان صاف ڪريو. مائع يا ايروسول ڪلينر استعمال نه ڪريو.
7. مسئلا حل ڪرڻ
This section addresses common issues you might encounter with your Grandstream HT812.
7.1 ڊائل ٽون ناهي
- طاقت چيڪ ڪريو: 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 interface (Section 4.4).
- نيٽ ورڪ ڪنيڪشن: 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
- ايس آءِ پي رجسٽريشن: Confirm that your SIP account is successfully registered (solid blue phone line indicator).
- انٽرنيٽ ڪنيڪشن: 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 انٽرفيس.
- 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 انٽرفيس ناقابل رسائي
- IP پتو: Reconfirm the HT812's IP address using the IVR menu (dial *** 02 from a connected phone) or your router's DHCP client list.
- نيٽ ورڪ ڪنيڪشن: Ensure your computer is on the same local network as the HT812.
- ڊفالٽ سندون: If you forgot your password, you might need to perform a factory reset (see Section 7.4).
7.4 فيڪٽري ري سيٽ
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 ري سيٽ ڪريو 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. وضاحتون
| ماڊل | ايڇ ٽي اين ايڪسڪس |
| FXS بندرگاهن | 2 |
| Ethernet بندرگاهن | Dual Gigabit (WAN/LAN) |
| NAT Router Speed | 100Mbps تائين |
| SIP پروfiles | 2 |
| سيڪيورٽي | TLS ۽ SRTP انڪرپشن |
| پيداوار جي ماپ | 9 x 13 x 2.8 انچ |
| شيءِ جو وزن | 10.2 اونس |
| پاور ان پٽ | ڊي سي 12V |
9. وارنٽي ۽ سپورٽ
9.1 پروڊڪٽ وارنٽي
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 webسائيٽ.
9.2 ٽيڪنيڪل سپورٽ
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 webسائيٽ: www.grandstream.com/support.
