À propos du produit
Routeur NAT PoE 8 Fxo, 1 Fxs, 2 Giga
Spécifications techniques
| Primary Information | |
| Product Description: | Grandstream HT881 - VoIP gateway |
| Device Type: | VoIP gateway |
| Form Factor: | Desktop |
| Data Link Protocol: | Ethernet, Fast Ethernet, Gigabit Ethernet |
| VoIP Protocols: | SIP, SRTP, SIP over TLS, SIP over TCP, SIPS |
| Telephony Interfaces: | 1 phone (FXS), 8 line (FXO) |
| 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 |
| 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 | |
| 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 | |
| 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: | IC, FCC, RCM, UKCA |
| Power | |
| Power Device: | External power adapter (not included) |
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