1. المقدمة
The Grandstream HT818 is a powerful 8-port FXS VoIP Gateway designed to convert analog telephone and fax lines into a Voice over IP (VoIP) network. It features an integrated Gigabit NAT router, offering robust connectivity and high-quality voice communication. This device is ideal for users seeking to integrate traditional analog devices into modern IP-based communication systems, providing strong encryption, automated provisioning, and excellent network performance.
2. معلومات السلامة
Please read and follow these safety instructions carefully to prevent damage to the device and ensure user safety:
- استخدم فقط محول الطاقة المرفق بالجهاز.
- لا تعرض الجهاز للماء أو الرطوبة.
- تجنب وضع الجهاز بالقرب من مصادر الحرارة أو تحت أشعة الشمس المباشرة.
- تأكد من التهوية المناسبة لمنع ارتفاع درجة الحرارة.
- لا تحاول فتح أو إصلاح الجهاز بنفسك. أحل جميع أعمال الصيانة إلى فنيين مؤهلين.
3. محتويات العبوة
تأكد من أن الحزمة الخاصة بك تحتوي على العناصر التالية:
- Grandstream HT818 8-Port FXS VoIP Gateway Unit
- محول الطاقة العالمي
- كابل إيثرنت
- دليل التثبيت السريع
4. جسديا أكثرview
The Grandstream HT818 features a compact design with clearly labeled ports for easy setup. Below is an image of the device, highlighting its key components.

الشكل 1: Grandstream HT818 Analog Telephone Adapter. This image shows the device from a slightly angled perspective, revealing its compact white casing and the various ports on the rear panel, including the FXS ports, LAN/WAN Ethernet ports, and power input.
مؤشرات اللوحة الأمامية:
- مؤشر الطاقة LED: يشير إلى حالة الطاقة.
- مؤشر LED للإنترنت: Indicates WAN port status.
- مؤشر LED للشبكة المحلية: يشير إلى حالة منفذ LAN.
- FXS Port LEDs (1-8): Indicate the status of each analog phone port.
منافذ اللوحة الخلفية:
- FXS Ports (1-8): RJ11 ports for connecting analog telephones or fax machines.
- منفذ WAN: RJ45 Ethernet port for connecting to your internet router or modem.
- منفذ LAN: RJ45 Ethernet port for connecting to a local computer or network switch.
- مدخلات الطاقة: لتوصيل محول الطاقة المقدم.
- زر إعادة الضبط: يستخدم لاستعادة إعدادات المصنع الافتراضية.
5. تعليمات الإعداد
Follow these steps to set up your Grandstream HT818:
- توصيل الطاقة: Plug the provided power adapter into the HT818's power input port and then into a power outlet. The Power LED should illuminate.
- إتصال شبكة:
- Connect one end of an Ethernet cable to the HT818's شبكة واسعة النطاق port and the other end to an available LAN port on your internet router or modem. The Internet LED should light up.
- Optionally, connect a computer or network switch to the HT818's شبكة محلية port using another Ethernet cable. The LAN LED should light up.
- توصيل الأجهزة التناظرية: Plug your analog telephones or fax machines into the FXS ports (1-8) on the HT818 using standard RJ11 phone cables. The corresponding FXS port LEDs will illuminate when a device is connected and registered.
- التكوين الأولي (Web Interface Access):
- للوصول إلى web configuration interface, you will need the HT818's IP address. You can find this by connecting an analog phone to FXS port 1, dialing ***, then dialing 02. The IP address will be announced.
- افتح web browser on a computer connected to the same network as the HT818 (either via the LAN port or your main router).
- Enter the HT818's IP address into the browser's address bar and press Enter.
- Log in using the default username (admin) and password (admin). You should change the default password for security.
- Configure your SIP account details provided by your VoIP service provider within the web واجهة.
6. تعليمات التشغيل
اجراء اتصالات:
- Pick up the handset of the analog phone connected to an FXS port. You should hear a dial tone.
- اتصل برقم الهاتف المطلوب.
- انتظر اتصال المكالمة.
استقبال المكالمات:
- When an incoming call arrives, the connected analog phone will ring.
- ارفع سماعة الهاتف للرد على المكالمة.
الفاكس:
The HT818 supports T.38 Fax over IP, which is crucial for reliable fax transmissions over a VoIP network.
- Ensure your fax machine is connected to an FXS port.
- Verify that T.38 support is enabled and correctly configured in the HT818's web interface, as well as on your VoIP service provider's side.
- Follow your fax machine's instructions for sending and receiving faxes.
7. الصيانة
ترقية البرامج الثابتة:
Regularly check for and install firmware updates from the Grandstream website to ensure optimal performance, security, and access to new features. Firmware upgrades are typically performed via the device's web واجهة.
نسخ احتياطي واستعادة الإعدادات:
It is recommended to regularly back up your device's configuration settings. This allows for quick restoration in case of accidental changes or device replacement. The backup/restore function is available in the web واجهة.
اعدادات المصنع:
A factory reset will revert all settings to their default values. This can be useful for troubleshooting or preparing the device for redeployment. To perform a factory reset, press and hold the reset button on the rear panel for approximately 7-10 seconds until the LEDs flash.
8. استكشاف الأخطاء وإصلاحها
If you encounter issues with your HT818, refer to the following common problems and solutions:
- لا طنين:
- Ensure the power adapter is securely connected and the Power LED is on.
- Check that the Ethernet cable is properly connected to the WAN port and your router, and the Internet LED is active.
- Verify that the analog phone is correctly plugged into an FXS port and its corresponding LED is active.
- Confirm that your SIP account is registered successfully in the web واجهة.
- لا يمكن إجراء أو استقبال المكالمات:
- Check SIP registration status in the web interface. If not registered, verify SIP server settings, username, and password.
- تأكد من أن اتصالك بالإنترنت نشط ومستقر.
- Check firewall settings on your router; SIP ALG should generally be disabled.
- Confirm that the correct dial plan is configured for outgoing calls.
- Fax Transmission Issues:
- Ensure T.38 Fax over IP is enabled in the HT818's web configuration and supported by your VoIP service provider.
- Try reducing the fax machine's transmission speed.
- Check for any network congestion or packet loss that might affect fax quality.
- مشاكل الاتصال بالشبكة:
- تأكد من توصيل جميع كابلات Ethernet بشكل آمن.
- Check the status of the LAN and WAN LEDs.
- Restart the HT818, your router, and your modem.
9. المواصفات
Below are the technical specifications for the Grandstream HT818:
| ميزة | وصف |
|---|---|
| ماركة | جراندستريم |
| رقم الموديل | إتش تي 818 |
| وزن العنصر | 1.45 رطل (0.66 كجم) |
| أبعاد المنتج | 7.1 × 4.7 × 1.4 بوصة (18.03 × 11.94 × 3.56 سم) |
| واجهة الأجهزة | إيثرنت |
| الأجهزة المتوافقة | Analog Telephone, Fax Machine |
| بروتوكول ربط البيانات | جيجابت إيثرنت |
| معدل نقل البيانات | 1000 ميجابت في الثانية |
| الشركة المصنعة | Grandstream Networks, Inc |
| رمز المنتج الموحد | 694727370241 |
| متوفر أولاً | 25 أبريل 2018 |
10. الضمان والدعم
Grandstream products are typically covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Grandstream website. For technical support, firmware updates, and additional resources, please visit the Grandstream support portal or contact your reseller.





