Grandstream HT812 2 Port FXS Analog Telephone Adapter (ATA)
RRP $140.00
41% OFF
Not sure what you need?
Read our complete guide.
Not sure what you need?
Read our complete guide.
RRP $140.00
41% OFF
The Grandstream HT812 is a two-port analog telephone adapter (ATA) with an integrated Gigabit NAT router, letting you connect existing analog phones and fax machines to a modern VoIP network. Built on Grandstream’s widely deployed SIP ATA/gateway technology, it delivers strong voice quality and easy volume deployment.
Businesses moving to VoIP that want to keep analog phones, fax machines or paging gear, and multi-device rollouts that need easy provisioning. Supplied as the Australian version with official Grandstream manufacturer warranty.
What does it do?
It connects up to two analog devices — such as analog phones or fax machines — to a SIP/VoIP phone system.
What ports does it have?
Two FXS ports plus an integrated Gigabit NAT router.
Will it work with my phone system?
Yes — it’s a standards-based SIP ATA that registers to hosted or on-premise VoIP systems.
Is it the Australian version?
Yes, Australian stock with official Grandstream manufacturer warranty.
| Interfaces | |
| • | Telephone Interfaces: Two (2) FXS ports |
| • | Network Interfaces: Two (2) 10/100/1000Mbps RJ45 ports |
| • | LED Indicators: POWER, LAN, WAN, PHONE1, PHONE2 |
| • | Factory Reset Button: Yes |
| Voice, Fax, Modem | |
| • | 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.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 24AWG line |
| • | Caller ID: Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| • | Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current |
| Signaling | |
| • | 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, SIP/RTP 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, syslog |
| Security | |
| • | Media: SRTP |
| • | Control: TLS/SIPS/HTTPS |
| • | Management: Syslog support, telnet, remote management using web browser |
| Physical | |
| • | Universal Power Supply Input: 100-240VAC, 50-60Hz Output: 12V/0.5A |
| • | Environmental Operational: 32º – 104ºF or 0º – 40ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing |
| • | Dimension and Weight 28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g |
| SKU | HT812 |
| Barcode # | 6947273702153 |
| Brand | GRANDSTREAM |
| Shipping Weight | 0.5000kg |
Manufacturer Warranty
The Grandstream HT812 is a two-port analog telephone adapter (ATA) with an integrated Gigabit NAT router, letting you connect existing analog phones and fax machines to a modern VoIP network. Built on Grandstream’s widely deployed SIP ATA/gateway technology, it delivers strong voice quality and easy volume deployment.
Businesses moving to VoIP that want to keep analog phones, fax machines or paging gear, and multi-device rollouts that need easy provisioning. Supplied as the Australian version with official Grandstream manufacturer warranty.
What does it do?
It connects up to two analog devices — such as analog phones or fax machines — to a SIP/VoIP phone system.
What ports does it have?
Two FXS ports plus an integrated Gigabit NAT router.
Will it work with my phone system?
Yes — it’s a standards-based SIP ATA that registers to hosted or on-premise VoIP systems.
Is it the Australian version?
Yes, Australian stock with official Grandstream manufacturer warranty.
Manufacturer Warranty
| Interfaces | |
| • | Telephone Interfaces: Two (2) FXS ports |
| • | Network Interfaces: Two (2) 10/100/1000Mbps RJ45 ports |
| • | LED Indicators: POWER, LAN, WAN, PHONE1, PHONE2 |
| • | Factory Reset Button: Yes |
| Voice, Fax, Modem | |
| • | 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.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 24AWG line |
| • | Caller ID: Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| • | Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current |
| Signaling | |
| • | 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, SIP/RTP 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, syslog |
| Security | |
| • | Media: SRTP |
| • | Control: TLS/SIPS/HTTPS |
| • | Management: Syslog support, telnet, remote management using web browser |
| Physical | |
| • | Universal Power Supply Input: 100-240VAC, 50-60Hz Output: 12V/0.5A |
| • | Environmental Operational: 32º – 104ºF or 0º – 40ºC Storage: 14º – 140ºF or -10º – 60ºC Humidity: 10 – 90% Non-condensing |
| • | Dimension and Weight 28.5 x 130 x 90 mm (H x W x D) Weight: 353.33g |
| SKU | HT812 |
| Barcode # | 6947273702153 |
| Brand | GRANDSTREAM |
| Shipping Weight | 0.5000kg |
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