1. પરિચય
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. પેકેજ સામગ્રી
કૃપા કરીને ચકાસો કે તમારા પેકેજમાં નીચેની વસ્તુઓ છે:
- Grandstream HT812 Analog Telephone Adapter
- યુનિવર્સલ પાવર એડેપ્ટર
- ઇથરનેટ કેબલ
- Quick Installation Guide (This document serves as the comprehensive user manual)
૩. શારીરિક ઓવરview
Familiarize yourself with the ports and indicators on the HT812 device.
આકૃતિ 1: આગળ view of the Grandstream HT812, showing the power, phone line 1, phone line 2, internet, and LAN indicator lights.
આકૃતિ 2: પાછળ view of the Grandstream HT812, displaying the power input, reset button, two LAN ports (blue), and two FXS phone ports (green).
આકૃતિ 3: કોણીય view of the Grandstream HT812, showcasing its compact design and port layout from a side perspective.
4. સેટઅપ અને ઇન્સ્ટોલેશન
4.1 Connecting the HT812
- ઇથરનેટ કેબલ કનેક્ટ કરો:
- 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.
- પાવર કનેક્ટ કરો:
- 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 એક્સેસિંગ Web રૂપરેખાંકન ઇંટરફેસ
To configure the HT812, you need to access its web ઈન્ટરફેસ:
- Determine the IP Address:
- Connect an analog phone to FXS port 1.
- ડાયલ કરો *** (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).
- લોગ ઇન કરો:
- ખોલો એ 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).
- મૂળભૂત વપરાશકર્તા નામ છે એડમિન અને મૂળભૂત પાસવર્ડ છે એડમિન (or found on the physical device label).
4.3 ફર્મવેર અપડેટ
It is highly recommended to update the device firmware to the latest version for optimal performance and security.
- માં લોગ ઇન કરો web રૂપરેખાંકન ઇન્ટરફેસ.
- પર નેવિગેટ કરો Maintenance > Upgrade and Provisioning.
- Set "Upgrade Via" to HTTP.
- દાખલ કરો firmware.grandstream.com in the "Firmware Server Path" field.
- ક્લિક કરો અરજી કરો પૃષ્ઠના તળિયે.
- થી ઉપકરણ રીબુટ કરો web ઇન્ટરફેસ (Maintenance > Reboot) or by power cycling. The device will download and install the latest firmware. This process may take several minutes.
૩.૫ SIP એકાઉન્ટ કન્ફિગરેશન
To make and receive calls, you need to configure your SIP account details provided by your VoIP service provider.
- માં લોગ ઇન કરો web રૂપરેખાંકન ઇન્ટરફેસ.
- પર નેવિગેટ કરો પ્રોfile 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).
- એસઆઈપી વપરાશકર્તા ID: Your SIP username or phone number.
- પ્રમાણિત ID: Your SIP authentication ID (often the same as SIP User ID).
- પાસવર્ડ: Your SIP account password.
- Ensure "SIP Registration" is set to હા.
- ક્લિક કરો અરજી કરો અને પછી રીબૂટ કરો ઉપકરણ
- After reboot, check the phone line indicator lights on the front panel. A solid blue light indicates successful SIP registration.
5. ઓપરેટિંગ સૂચનાઓ
5.1 કૉલ્સ કરવા અને પ્રાપ્ત કરવા
Once your SIP account is registered, you can use your analog phone connected to the HT812 just like a regular phone line.
- કૉલ કરવો: Pick up the handset, wait for a dial tone, and dial the desired phone number.
- કૉલ પ્રાપ્ત કરવો: 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 સુરક્ષા લક્ષણો
The HT812 supports advanced security protocols to protect your communications:
- TLS (Transport Layer Security): Encrypts SIP signaling to prevent eavesdropping and tampઇરિંગ.
- 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 સેટિંગ્સ
6. જાળવણી
6.1 ફર્મવેર અપડેટ્સ
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 ડિવાઇસ કેર
- Keep the device in a cool, dry place, away from direct sunlight and excessive heat.
- ઉપકરણને પાણી અથવા ભેજ માટે ખુલ્લા કરવાનું ટાળો.
- ઉપકરણને નરમ, સૂકા કપડાથી સાફ કરો. પ્રવાહી અથવા એરોસોલ ક્લીનર્સનો ઉપયોગ કરશો નહીં.
7. મુશ્કેલીનિવારણ
This section addresses common issues you might encounter with your Grandstream HT812.
૫.૧ ડાયલ ટોન નથી
- પાવર તપાસો: Ensure the power adapter is securely connected and the power indicator light on the HT812 is on.
- ફોન કનેક્શન તપાસો: 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).
- નેટવર્ક કનેક્ટિવિટી: Ensure the HT812 is connected to the internet and has a valid IP address. Check the internet indicator light.
૬.૩ કૉલ કરી શકતા નથી કે પ્રાપ્ત કરી શકતા નથી
- SIP નોંધણી: Confirm that your SIP account is successfully registered (solid blue phone line indicator).
- ઇન્ટરનેટ કનેક્શન: 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 ઇન્ટરફેસ
- 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 ઇન્ટરફેસ અપ્રાપ્ય
- IP સરનામું: Reconfirm the HT812's IP address using the IVR menu (dial ***02 from a connected phone) or your router's DHCP client list.
- નેટવર્ક કનેક્શન: Ensure your computer is on the same local network as the HT812.
- ડિફૉલ્ટ ઓળખપત્રો: If you forgot your password, you might need to perform a factory reset (see Section 7.4).
7.4 ફેક્ટરી રીસેટ
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 રીસેટ કરો 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. સ્પષ્ટીકરણો
| મોડલ | એચટી-એક્સ્યુએનએક્સ |
| FXS પોર્ટ્સ | 2 |
| ઇથરનેટ પોર્ટ્સ | Dual Gigabit (WAN/LAN) |
| NAT Router Speed | 100Mbps સુધી |
| SIP પ્રોfiles | 2 |
| સુરક્ષા | TLS and SRTP encryption |
| ઉત્પાદન પરિમાણો | 9 x 13 x 2.8 ઇંચ |
| વસ્તુનું વજન | 10.2 ઔંસ |
| પાવર ઇનપુટ | ડીસી 12 વી |
9. વોરંટી અને સપોર્ટ
૧.૨ પ્રોડક્ટની વોરંટી
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 webસાઇટ
9.2 ટેકનિકલ સપોર્ટ
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 webસાઇટ: www.grandstream.com/support.
