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Grandstream Networks
Grandstream Networks HT812 VoIP telephone adapter
SKU
HT812
In Stock
2-port analog telephone adapter w / Gigabit NAT Router
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Next Day (UK) Delivery offered on stock items
The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream’s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.
Management features | |
---|---|
Web-based management | Yes |
Quality of Service (QoS) support | Yes |
Technical details | |
Voice codecs | iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS |
Reset button | Yes |
Fax compatibility | T.38 |
Harmonized System (HS) code | 85177900 |
Features | |
Voice codecs | iLBC, G.711, G.723.1, G.726, G.729A, G.729B, OPUS |
Reset button | Yes |
LED indicators | Yes |
Fax compatibility | T.38 |
Certification | FCC/CE/RCM, K.21 |
Network | |
Web-based management | Yes |
Quality of Service (QoS) support | Yes |
Call management | |
Conference call | Yes |
Caller ID | Yes |
Call waiting | Yes |
Protocols | |
Supported 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 |
Management protocols | Telnet |
Security | |
Security algorithms | AES, HTTPS |
Ports & interfaces | |
---|---|
Ethernet LAN (RJ-45) ports | 2 |
I/O ports | 2 x FXS, 2 x RJ-45 |
Power | |
Output voltage | 12 V |
Output current | 0.5 A |
Certificates | |
Certification | FCC/CE/RCM, K.21 |
Indication | |
LED indicators | Yes |
Logistics data | |
Harmonized System (HS) code | 85177900 |
Operational conditions | |
Storage temperature (T-T) | -10 - 60 °C |
Operating temperature (T-T) | 0 - 40 °C |
Operating relative humidity (H-H) | 10 - 90% |
Weight & dimensions | |
Weight | 353.33 g |
Dimensions (WxDxH) | 130 x 90 x 28.5 mm |