Grandstream HT881 / VoIP gateway / 1GbE / desktop | HT881
Product Features
- Enhanced connectivity
Equipped with both Gigabit Ethernet and Fast Ethernet capabilities, this device ensures high-speed, reliable connections for all network needs. The inclusion of Power over Ethernet (PoE) support simplifies network installation by eliminating the need for additional power cables. - Advanced VoIP features
Supports a wide range of VoIP protocols including SIP, SIP over TCP, and SIP over TLS, alongside multiple voice codecs like G.711 and G.729, ensuring compatibility and high-quality voice communications across different networks. - Robust security
Features AES and TLS encryption algorithms to provide secure voice communications and protect against potential threats, ensuring your conversations remain private. - Comprehensive network support
Offers features such as DiffServ support, MPLS support, and NAT support, alongside web-based management for easy setup and maintenance of your network infrastructure. - Durable and reliable
Designed to operate within a wide range of temperatures and humidity levels, ensuring reliable performance in various environmental conditions. Compliance with multiple standards including FCC and IC, ensures a high-quality, dependable device.
Special Features
- Supports a wide array of VoIP protocols and voice codecs for versatile communication options
- Features Gigabit Ethernet and Fast Ethernet for high-speed, reliable network connections
- Includes advanced IP telephony features like 3-way conferencing and call forwarding
- Offers robust security with AES and TLS encryption to protect voice communications
- Designed for easy network management with web-based interfaces and support for multiple remote management protocols
Product Specification
Device Type | VoIP gateway |
Width | 19 cm |
Depth | 10 cm |
Height | 2.8 cm |
Weight | 460 g |
Networking | Networking |
Form Factor | Desktop |
Connectivity Technology | Wired |
Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
Network / Transport Protocol | TCP/IP, UDP/IP, NTP, ICMP/IP, ARP, DHCP, DNS, RARP, RTP, RTCP |
Remote Management Protocol | Telnet, HTTP, HTTPS, TFTP, SSH, TR-069 |
Status Indicators | Port status, power, network |
Features | Routing, NAT support, MPLS support, Syslog support, DiffServ support, Type of Service (ToS), web-based management, STUN support |
Encryption Algorithm | AES, TLS |
Compliant Standards | IEEE 802.1Q, IEEE 802.1p, IEEE 802.3af |
IP Telephony | IP Telephony |
VoIP Protocols | SIP, SRTP, SIP over TLS, SIP over TCP, SIPS |
Voice Codecs | G.711, G.723.1, G.729, G.726, iLBC, Opus |
Telephony Interfaces | 1 phone (FXS), 8 line (FXO) |
IP Telephony Features | Echo cancellation, call forwarding, Caller ID, call waiting, call hold, call transfer, dynamic jitter buffer, 3-way conferencing, Do-not-disturb (DND) support, SIP info, Dual-Tone Multi-Frequency (DTMF) dialing, T.38 FAX |
Expansion / Connectivity | Expansion / Connectivity |
Interfaces | 8 x FXO - RJ-11 ¦ 1 x FXS - RJ-11 ¦ 1 x 1000Base-T (PoE) - RJ-45 ¦ 1 x 1000Base-T (PoE) - RJ-45 |
Miscellaneous | Miscellaneous |
Cables Included | 1 x network cable |
Compliant Standards | IC, FCC, RCM, UKCA |
Power | Power |
Power Device | External power adapter (not included) |
Environmental Parameters | Environmental Parameters |
Min Operating Temperature | 0 °C |
Max Operating Temperature | 40 °C |
Humidity Range Operating | 10 - 90% (non-condensing) |