Grandstream HT813 2-Line Analog Telephone Adapter
Quick Features
- Type: Analog Telephone Adapter
- Number of Phone Lines: 2-Line
- Caller ID: Yes
- Call Block: Yes
- Conference Call: 3-Way Conference
- Network Interfaces: Dual 10/100 Mbps Ethernet Ports
- FXS / FXO Ports: 1 FXS + 1 FXO
Description
The Grandstream HT813 2-Line Analog Telephone Adapter is designed to connect traditional analog telephone equipment with modern IP-based communication networks. It features 1 FXS port and 1 FXO port, supporting 2 SIP profiles and providing flexible voice connectivity for business and professional communication environments.
The HT813 includes dual 10/100 Mbps LAN and WAN Ethernet ports and supports a wide range of network and VoIP protocols. Its lifeline support allows the FXS port to be hard-relayed to the FXO port during a power outage, helping maintain telephone connectivity.
The adapter also supports 3-way voice conferencing, T.38 Fax over IP, failover SIP server functionality, secure provisioning, and AES encryption, making it suitable for various business communication and VoIP applications.
Key Features
- 1 FXS and 1 FXO Port
- Supports 2 SIP Profiles
- Dual 10/100 Mbps Ethernet Ports
- 3-Way Voice Conferencing per Port
- T.38 Fax over IP Support
- Lifeline Support During Power Outage
- Failover SIP Server Support
- Secure AES Encryption and Provisioning
- Advanced Voice Codecs and Echo Cancellation
- Dynamic Jitter Buffer for Voice Quality
Grandstream HT813 Price in Bangladesh
For the latest Grandstream HT813 price in Bangladesh, availability, warranty, and product details, contact Ellipse Technologies Ltd. Pricing may vary depending on product availability and configuration.
| Specification | Details |
|---|---|
| Brand | Grandstream |
| Model | Grandstream HT813 |
| Type | Analog Telephone Adapter |
| Number of Phone Line | 2-Line |
| FXS Port | 1 |
| FXO Port | 1 |
| Caller ID | Yes |
| Call Block | Yes |
| Conference Call | 3-Way Conference |
| Speed Dialer | No |
| Display | No |
| Display Size | No |
| SIM Slot | No |
| Card Slot | No |
| Wi-Fi | No |
| Bluetooth | No |
| Headphone Jack | No |
| Speaker | No |
| Wall Mount | No |
| Network Interfaces | Dual 10/100 Mbps Ethernet Ports |
| Dimensions | 130.5 × 90.5 × 29 mm |
| Weight | 0.142 Kg |
| Color | Black |
| Power Input | 100–240VAC, 50–60Hz |
| Power Output | 12V / 0.5A |
| Power Source | Adapter |
| Warranty | 1 Year (Without Adapter) |
| Country of Origin | USA |
| Made in / Assembled | China |
Network & Protocol Support
The Grandstream HT813 supports TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, and TR-069 protocols.
Voice & Fax Features
The device supports G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.722, G.723.1, G.729A/B, G.726, iLBC, and OPUS voice codecs. It also features a dynamic jitter buffer and advanced line echo cancellation.
For fax applications, the HT813 supports T.38-compliant Group 3 Fax Relay up to 14.4 kbps and automatic switching to G.711 for Fax Pass-through.
Security & Management
Security and management features include SRTP media encryption, TLS/SIPS/HTTPS control, AES-encrypted provisioning, Syslog support, Telnet, SSH, remote web browser management, HTTP, HTTPS, TFTP, and TR-069.
QoS & Connectivity
The device supports Layer 2 QoS, including 802.1Q VLAN and SIP/RTP 802.1p, along with Layer 3 QoS through ToS, DiffServ, and MPLS.
Additional Features
- LED Indicators
- Flash Button
- Hold Key
- Transfer Key
- Lifeline Support
- 3 REN Ring Load
- Up to 1 km on 24 AWG
- Busy Tone Disconnect
- Polarity Reversal/Wink
- Loop Current Disconnect
- Short/Long Haul Support
