Product Information
Grandstream HT814 4 FXS, 2 GigE, NAT Router
Specifications
Specifications HT814
Interfaces
Weight | 0.29 Kg (0.63 lbs) |
Dimension | 28.5 x 130 x 90 mm (H x W x D) ( 3.54" L x 5.11" W x 1.12" H) |
Telephone Interfaces | Four(4) RJ11 FXS ports |
Network Interfaces | Two (2) 10/100/1000Mbps RJ45 ports |
LED Indicators | POWER, LAN, WAN, PHONE1, PHONE2, PHONE3, PHONE4 |
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 | 2 REN, up to 1km on 24AWG line. |
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 |