VoIP gateway - 1GbE - desktop
| Main Specifications | |
|---|---|
| Product Description | Grandstream HT881 - VoIP gateway |
| Device Type | VoIP gateway |
| Form Factor | Desktop |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| VoIP Protocols | SIP, SIP over TCP, SIP over TLS, SRTP, SIPS |
| Telephony Interfaces | 8 line (FXO), 1 phone (FXS) |
| Dimensions (WxDxH) | 7.5 in x 3.9 in x 1.1 in |
| Weight | 16.22 oz |
| General | |
| Device Type | VoIP gateway |
| Width | 7.5 in |
| Depth | 3.9 in |
| Height | 1.1 in |
| Weight | 16.22 oz |
| 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 | |
| Cables Included | 1 x network cable |
| Compliant Standards | FCC, RCM, IC, UKCA |
| Networking | |
| Form Factor | Desktop |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | TCP/IP, UDP/IP, RTP, RTCP, ARP, RARP, ICMP/IP, DNS, DHCP, NTP |
| Remote Management Protocol | HTTP, HTTPS, TFTP, Telnet, TR-069, SSH |
| Status Indicators | Power, network, port status |
| Features | STUN support, Type of Service (ToS), DiffServ support, MPLS support, Syslog support, web-based management, NAT support, routing |
| Encryption Algorithm | AES, TLS |
| Compliant Standards | IEEE 802.3af, IEEE 802.1Q, IEEE 802.1p |
| Power | |
| Power Device | External power adapter (not included) |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 - 90% (non-condensing) |
| IP Telephony | |
| VoIP Protocols | SIP, SIP over TCP, SIP over TLS, SRTP, SIPS |
| Voice Codecs | G.711, G.723.1, G.729, G.726, iLBC, Opus |
| Telephony Interfaces | 8 line (FXO), 1 phone (FXS) |
| IP Telephony Features | Call waiting, caller ID, call transfer, 3-way conferencing, call forwarding, call hold, Do-not-disturb (DND) support, dynamic jitter buffer, echo cancellation, T.38 FAX, SIP info, Dual-Tone Multi-Frequency (DTMF) dialing |