Grandstream
Grandstream SIP ATA FXO/ FXS Gateway | HT-813
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Bridge Your Analog and VoIP Worlds with the Grandstream HT813
The Grandstream HT813 is a powerful and compact hybrid analog telephone adapter (ATA) designed to seamlessly integrate your traditional analog telephone devices with a modern VoIP network. This versatile gateway features one analog telephone FXS port and one PSTN line FXO port, enabling you to leverage the benefits of VoIP while maintaining a connection to your existing landline. The HT813 is the perfect solution for small businesses and home users looking to upgrade to a flexible and cost-effective communication system.
Key Features and Benefits
- Hybrid Connectivity: Equipped with both an FXS port to connect an analog phone or fax machine and an FXO port for a PSTN line, the HT813 offers a unique and flexible communication solution.
- Lifeline Support: In the event of a power outage, the HT813 provides lifeline support by automatically relaying the FXS port to the FXO port, ensuring you can still make and receive calls on your traditional landline.
- Advanced VoIP Functionality: Supports 2 SIP profiles, 3-way voice conferencing per port, and a failover SIP server that automatically switches to a secondary server if the main one loses connection.
- Reliable Fax over IP: Features support for the T.38 Fax protocol, ensuring reliable and efficient faxing over your IP network.
- Robust Security: Your calls and accounts are protected with strong AES encryption and a unique security certificate per unit.
- Easy Provisioning and Management: Offers automated and secure provisioning options using TR-069, simplifying deployment and management.
Technical Specifications
| Interfaces | One (1) RJ11 FXS port, One (1) RJ11 FXO PSTN line port with lifeline support |
| Network Interface | Two (2) 10/100Mbps ports (RJ45) with integrated NAT router |
| LED Indicators | POWER, LAN, WAN, FXS, FXO |
| Factory Reset Button | Yes |
| Telephony Features | Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference |
| Voice Codecs | G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, OPUS, dynamic jitter buffer, advanced line echo cancellation |
| Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through |
| Short/Long Haul Ring Load | 3 REN: Up to 1km on 24 AWG |
| Caller ID | Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| Disconnect Methods | Busy Tone, Polarity Reversal/Wink, Loop Current |
| Network Protocols | TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069 |
| QoS | Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) |
| DTMF Method | In-audio, RFC2833 and/or SIP INFO |
| Provisioning and Control | HTTP, HTTPS, TELNET, TFTP, TR-069, secure and automated provisioning using AES encryption |
| Security | SRTP, TLS/SIPS/HTTPS |
| Physical | Universal Power Supply: Input: 100-240VAC, 50-60Hz, Output: 12V/0.5A |
| Environmental | Operating: 32º – 104ºF or 0º – 40ºC, Storage: 14º – 140ºF or -10º – 60ºC, Humidity: 10 – 90% Non-condensing |
| Dimensions and Weight | 25mm x 115mm x 75mm (H x W x D) |
| Compliance | FCC, CE, RCM |
Manufacturer Technical Data
| Product Spec Sheet |
 Download |
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- R120 Delivery Fee
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.
