Grandstream
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Grandstream Hybrid ATA with FXS and FXO Ports (HT813)
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Grandstream Hybrid ATA with FXS and FXO Ports (HT813)
The HT813 is an ultra-compact analog telephone adapter that offers advanced VoIP functionality, high-end security protection, and multiple auto provisioning options.
Grandstream Hybrid ATA with FXS and FXO Ports (HT813)
Item #: 11438999

Grandstream Hybrid ATA with FXS and FXO Ports (HT813)

89% of respondents would recommend this to a friend

Item #: 11438999

ETB 14881

Price Details

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*All items will import from US

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The HT813 is an ultra-compact analog telephone adapter that offers advanced VoIP functionality, high-end security protection, and multiple auto provisioning options.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Dual Port Support
Equipped with both FXS and FXO ports, the HT813 seamlessly connects traditional telephony equipment with VoIP systems, ensuring versatile communication solutions for businesses and homes.
High Voice Quality
Delivers exceptional voice quality with advanced jitter buffer and echo cancellation features, guaranteeing clear conversations that enhance user experience compared to standard ATAs in the market.
User-Friendly Setup
Designed for easy installation and configuration, the HT813 provides intuitive user interface options, allowing both novices and tech-savvy individuals to quickly set up their telephony systems without hassle.

Product Details

Shop for Grandstream Hybrid ATA with FXS & FXO Ports HT813 online at Ubuy Ethiopia. Get the best deals on VoIP devices and enjoy reliable communication.
Other Special Features of the ProductNot_Performance_Used
Frequency Band ClassSingle-Band
Wireless Compability802.11a
Compatible DevicesLaptop, Personal Computer, Smartphone, Tablet
Antenna LocationBusiness, Residential and Commercial
Connectivity TechnologyRJ11
Antenna TypeInternal
Operating SystemLinux
Security ProtocolAES
Number of Ports1
Control MethodApp
Data Transfer Rate100 megabits_per_second
LAN Port Bandwidth100 Mbps
Voltage110 volts, 220 volts
Maximum Upstream Data Transfer Rate100 megabits_per_second
Connectivity ProtocolPOTS, IP
Controller TypeSwitch
Frequency5 GHz
BrandGrandstream
Model NameHT813
Built-In Media1
Model NumberHT813
Number of Items1
ManufacturerGrandstream
Mfr Part NumberHT813
Item Weight12 ounces (340.2 grams)
ColorBlack
Special FeatureNot_Performance_Used
Wireless Communication Standard802.11a
Recommended Uses For ProductBusiness, Residential and Commercial
Included Components1

Who Should Buy?

Suitable For
  • Small Businesses

    The HT813 allows small businesses to connect traditional phones to VoIP systems, saving costs on telephony.

  • Remote Workers

    Remote workers can utilize the ATA to access home phone lines over the internet, ensuring connectivity.

  • Home Users

    Home users can integrate existing phones with VoIP services seamlessly, enjoying flexibility and saving on bills.

Not Suitable For
  • Large Enterprises

    Large enterprises may require more advanced features and scalability than what HT813 offers for high demands.

Product Description

Grandstream Hybrid ATA with FXS and FXO Ports (HT813)

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Customer Questions & Answers

  • Question: What is the Grandstream Hybrid ATA HT813 and what does it do?

    Answer: The Grandstream Hybrid ATA HT813 is an Analog Telephone Adapter designed to connect traditional analog telephony equipment to an IP-based voice network. It features both FXS (Foreign Exchange Station) and FXO (Foreign Exchange Office) ports, allowing users to connect existing phones or PBX systems while accessing VoIP services. This makes it ideal for businesses or homes looking to leverage VoIP technology without replacing their analog devices.
  • Question: How many devices can I connect to the HT813?

    Answer: The HT813 allows you to connect up to one analog phone or device to its FXS port and one analog line to its FXO port. This means you can use your existing phone while connecting to a traditional phone line or VoIP service. This dual function makes the HT813 versatile for both personal and professional settings, allowing seamless integration of modern communication systems with traditional telephony.
  • Question: Is the HT813 compatible with major VoIP service providers?

    Answer: Yes, the Grandstream HT813 is compatible with a wide range of VoIP service providers, ensuring that users can easily integrate their existing services. It supports various SIP accounts and offers flexible configurations. This compatibility helps users to switch providers without needing to change hardware, making it a practical choice for businesses looking to optimize their telecommunication systems.
  • Question: What kind of network configuration does the HT813 support?

    Answer: The HT813 supports various network configurations, including static IP, dynamic IP (DHCP), and PPPoE. It also includes advanced features like VPN support and QoS (Quality of Service) configurations, optimizing call quality and security. Such flexibility allows for tailored network setups to meet specific business needs or personal preferences, making it useful in both home and commercial environments.
  • Question: Can I use the Grandstream HT813 for fax services?

    Answer: While the HT813 is primarily designed for voice communication, it can support fax services when connected to compatible devices. To ensure successful fax transmission, proper configuration is required, including setting the correct fax settings within the ATA. This capability enables businesses that rely on fax communication to integrate with their VoIP system without needing additional fax machines.
  • Question: What are the security features of the HT813?

    Answer: The Grandstream HT813 comes equipped with various security features, such as SIP TLS and SRTP for secure signaling and media encryption. It also supports advanced firewall and NAT traversal settings to protect against unauthorized access. These security measures are crucial for businesses to protect sensitive communication and data, especially when using VoIP solutions.
  • Question: How do I configure the HT813 for use with my VoIP service?

    Answer: Configuring the HT813 for your VoIP service is straightforward. You typically need to access the device's web interface using its IP address and enter the SIP account details provided by your VoIP service. The user-friendly interface offers guided options for setting up, which can include network settings and advanced call features. This process allows both tech-savvy users and those less familiar with technology to set up their device effectively.
  • Question: What are common troubleshooting steps for the HT813?

    Answer: Common troubleshooting steps for the HT813 include checking the power supply, verifying network connection, and ensuring proper configuration of the SIP account. Additionally, you can restart the device and inspect the firmware version. These steps help resolve many connectivity issues quickly, ensuring that users can resume their communications without prolonged interruptions.
  • Question: Can I integrate the HT813 with a PBX system?

    Answer: Yes, the HT813 can be seamlessly integrated with various PBX systems, enhancing communication capabilities within businesses. By connecting the FXO port to a physical phone line and the FXS port to analog phones, users can take advantage of features such as call routing and voicemail. This integration creates a robust telecommunication system that leverages both traditional and modern solutions, catering to diverse operational needs.
  • Question: Where can I buy the Grandstream Hybrid ATA with FXS and FXO Ports HT813 in Ethiopia?

    Answer: You can purchase the Grandstream Hybrid ATA with FXS and FXO Ports HT813 from Ubuy in Ethiopia. Ubuy offers a simple and efficient platform for acquiring this powerful device, ensuring you have easy access to its features and benefits while enjoying a smooth purchasing experience.

Grandstream VoIP HT813 Editorial Review

Grandstream Hybrid ATA with FXS and FXO Ports (HT813) is an essential device for anyone working with Voice over IP, particularly for users needing to integrate a PSTN line into their systems. With one FXS and one FXO port, it caters to varied voice needs. Notable features include the ability to support various telco standards and encryption options like TLS and SRTP for secure connections. Users have pointed out its excellent compatibility with Asterisk setups, with manageable configuration complexity that offers them extensive control. The device also features an 'Unconditional Call Forward to VoIP' function, allowing seamless integration of PSTN calls to SIP lines, enhancing user convenience. However, the initial setup might require patience due to its detailed configuration options.

Customer Reviews & Ratings

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Pros

  • One FXS and one FXO port available
  • Easy integration with Asterisk systems
  • Supports various international call standards
  • Secure connection through TLS and SRTP
  • Convenient call forwarding from PSTN to VoIP

Cons

  • Initial setup may not be intuitive for all users

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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ETB 14881

Order now and get it around Thursday, September 24

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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  • dhl
Fastest cross-border delivery

Features & Benefits

  • Analog telephone adapter with 1 FXS port and 1 PSTN line FXO port
  • Supports remote calling to and from PSTN line and VoIP service to one analog device
  • Ultra-compact size with HD voice quality and lifeline support
  • Advanced features for high quality IP service
  • Dual 100Mbps LAN and WAN ports for added flexibility
  • Sold as 1 Each

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