Grandstream HT812 2-Port Analog Telephone Adapter with Gigabit NAT Router User Manual

1. పరిచయం

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. ప్యాకేజీ విషయాలు

దయచేసి మీ ప్యాకేజీలో ఈ క్రింది అంశాలు ఉన్నాయని ధృవీకరించండి:

• Grandstream HT812 Analog Telephone Adapter
• యూనివర్సల్ పవర్ అడాప్టర్
• ఈథర్నెట్ కేబుల్
• Quick Installation Guide (This document serves as the comprehensive user manual)

3. భౌతిక ఓవర్view

Familiarize yourself with the ports and indicators on the HT812 device.

మూర్తి 1: ముందు view of the Grandstream HT812, showing the power, phone line 1, phone line 2, internet, and LAN indicator lights.

మూర్తి 2: వెనుక view of the Grandstream HT812, displaying the power input, reset button, two LAN ports (blue), and two FXS phone ports (green).

మూర్తి 3: కోణీయ view of the Grandstream HT812, showcasing its compact design and port layout from a side perspective.

4. సెటప్ మరియు ఇన్‌స్టాలేషన్

4.1 Connecting the HT812

1. ఈథర్నెట్ కేబుల్‌ను కనెక్ట్ చేయండి:
   • 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.
2. అనలాగ్ ఫోన్‌లను కనెక్ట్ చేయండి:
   • Connect your analog telephone(s) to the green FXS ports (labeled 1 and 2) on the HT812 using standard RJ11 phone cables.
3. పవర్ కనెక్ట్ చేయండి:
   • 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 యాక్సెస్ చేస్తోంది Web కాన్ఫిగరేషన్ ఇంటర్ఫేస్

To configure the HT812, you need to access its web ఇంటర్ఫేస్:

1. Determine the IP Address:
   • Connect an analog phone to FXS port 1.
   • డయల్ చేయండి *** (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).
2. లాగిన్:
   • తెరవండి 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).
   • డిఫాల్ట్ వినియోగదారు పేరు నిర్వాహకుడు మరియు డిఫాల్ట్ పాస్వర్డ్ నిర్వాహకుడు (or found on the physical device label).

4.3 ఫర్మ్‌వేర్ నవీకరణ

It is highly recommended to update the device firmware to the latest version for optimal performance and security.

1. లోనికి లాగిన్ చేయండి web ఆకృతీకరణ ఇంటర్ఫేస్.
2. నావిగేట్ చేయండి Maintenance > Upgrade and Provisioning.
3. Set "Upgrade Via" to HTTP.
4. నమోదు చేయండి firmware.grandstream.com in the "Firmware Server Path" field.
5. క్లిక్ చేయండి దరఖాస్తు చేసుకోండి పేజీ దిగువన.
6. నుండి పరికరాన్ని రీబూట్ చేయండి web ఇంటర్ఫేస్ (Maintenance > Reboot) or by power cycling. The device will download and install the latest firmware. This process may take several minutes.

4.4 SIP ఖాతా కాన్ఫిగరేషన్

To make and receive calls, you need to configure your SIP account details provided by your VoIP service provider.

1. లోనికి లాగిన్ చేయండి web ఆకృతీకరణ ఇంటర్ఫేస్.
2. నావిగేట్ చేయండి ప్రోfile 1 (or the relevant profile for your service).
3. 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 వినియోగదారు ID: Your SIP username or phone number.
   • ప్రామాణీకరణ ID: Your SIP authentication ID (often the same as SIP User ID).
   • పాస్వర్డ్: Your SIP account password.
   • Ensure "SIP Registration" is set to అవును.
4. క్లిక్ చేయండి దరఖాస్తు చేసుకోండి ఆపై రీబూట్ చేయండి పరికరం.
5. After reboot, check the phone line indicator lights on the front panel. A solid blue light indicates successful SIP registration.

5. ఆపరేటింగ్ సూచనలు

5.1 కాల్స్ చేయడం మరియు స్వీకరించడం

Once your SIP account is registered, you can use your analog phone connected to the HT812 just like a regular phone line.

• కాల్ చేయడం: Pick up the handset, wait for a dial tone, and dial the desired phone number.
• కాల్ స్వీకరించడం: 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 భద్రతా లక్షణాలు

The HT812 supports advanced security protocols to protect your communications:

• TLS (Transport Layer Security): Encrypts SIP signaling to prevent eavesdropping and tampఈరింగ్.
• 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 సెట్టింగులు.

6. నిర్వహణ

6.1 ఫర్మ్‌వేర్ నవీకరణలు

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 పరికర సంరక్షణ

• Keep the device in a cool, dry place, away from direct sunlight and excessive heat.
• పరికరాన్ని నీరు లేదా తేమకు బహిర్గతం చేయకుండా ఉండండి.
• Clean the device with a soft, dry cloth. Do not use liquid or aerosol cleaners.

7. ట్రబుల్షూటింగ్

ఈ విభాగం మీ గ్రాండ్‌స్ట్రీమ్ HT812 తో మీరు ఎదుర్కొనే సాధారణ సమస్యలను పరిష్కరిస్తుంది.

7.1 No Dial Tone

• శక్తిని తనిఖీ చేయండి: 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 ఇంటర్‌ఫేస్ (విభాగం 4.4).
• నెట్‌వర్క్ కనెక్టివిటీ: Ensure the HT812 is connected to the internet and has a valid IP address. Check the internet indicator light.

7.2 కాల్స్ చేయలేరు లేదా స్వీకరించలేరు

• SIP Registration: Confirm that your SIP account is successfully registered (solid blue phone line indicator).
• ఇంటర్నెట్ కనెక్షన్: 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 ఇంటర్ఫేస్.
• 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 ఇంటర్‌ఫేస్ యాక్సెస్ చేయలేనిది

• IP చిరునామా: Reconfirm the HT812's IP address using the IVR menu (dial ***02 from a connected phone) or your router's DHCP client list.
• నెట్‌వర్క్ కనెక్షన్: Ensure your computer is on the same local network as the HT812.
• డిఫాల్ట్ ఆధారాలు: If you forgot your password, you might need to perform a factory reset (see Section 7.4).

7.4 ఫ్యాక్టరీ రీసెట్

A factory reset will restore all settings to their default values. This should be a last resort for troubleshooting.

1. With the HT812 powered on, use a paperclip or a similar pointed object to press and hold the రీసెట్ చేయండి button (located on the rear panel, see Figure 2) for approximately 7 seconds.
2. Release the button when the indicator lights start to flash rapidly.
3. The device will reboot with factory default settings. You will need to reconfigure all settings, including SIP accounts and network parameters.

8. స్పెసిఫికేషన్లు

9. వారంటీ మరియు మద్దతు

9.1 ఉత్పత్తి వారంటీ

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 webసైట్.

9.2 సాంకేతిక మద్దతు

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 webసైట్: www.grandstream.com/support.