Grandstream HT818 v2 IP Network Telephone Adapter

Built for users looking for a strong analog-to-VoIP converter, the HT818 V2 is a powerful 8-port VoIP gateway with 8 FXS ports and an integrated Gigabit NAT router. It features Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide. This powerful gateway carries exceptional voice quality in various application environments, strong encryption with unique security certificate per unit, automated provisioning for volume deployment and device management, and outstanding network performance for enterprise use. Key Features & Benefits: Powerful 8 port FXS Gateway with Gigabit NAT Router Supports 2 SIP profiles and 8 FXS ports Strong AES encryption with security certificate per unit Automated & secure provisioning options using TR069 LED Indicators - POWER, NET1, NET2, PHONE1, PHONE2, PHONE3, PHONE4, PHONE5, PHONE6, PHONE7, PHONE8 3-way voice conferencing per port Exceptional voice quality with wide-band HD codec Supports T.38 Fax for reliable Fax-over-IP Supports dual Gigabit network ports High performance NAT router 2 Year Warranty   Specifications: Interfaces: Telephone Interface: 8x Rj11 FXS ports, can be expanded by peering with an FXS gateway Network Interface: 2x 10/100/1000 Mbps auto-sensing ethernet port (RJ45) LED Indicators: Power, Net1, Net2, Phone1, Phone2, Phone3, Phone4, Phone5, Phone6, Phone7, Phone8 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.722, G.723.1, G.729A/B, G.726-32, iLBC, OPUS - Dynamic jitter buffer, advanced line echo cancellation Fax Over IP:  - T.38 compliant Group 3 Fax Relay up to 14.4kpbs - Auto-switch to G.711 for Fax Pass-through Short/Long Haul Ring Load: 2 REN: Up to 1km on 24 AWG line Caller ID: Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID Dial Methods: DTMF, Pulse Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current Signaling: Network Protocols:  - TCP/IP/UDP, RTP/RTCP (RFC1889,1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS - DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389) - SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE QoS: - Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) - Layer 3 (ToS, DiffServ, MPLS) - Traffic shaping DTMF Method: In-audio, RFC2833 and/or SIP INFO Provisioning and Control:  - HTTP, HTTPS, SSH, TFTP - TR-069, secure and automated provisioning using AES encryption, syslog Security: Media: SRTP - Control: TLS/SIPS/HTTPS, SDP(RFC 2327), Refer (RFC 3515), Offer/Answer (RFC3265) - SIP V2.0 (RFC 3261, 3262, 3264), RFC3261 - ETC (3GPP TS 24.629, RFC 3515, RFC 3891, RFC 3892) - SIP Session Timer (RFC 4028) Management: Syslog support, SSH, remote management using web browser Physical: Power Supply (EU PSU): Input: 100-240VAC, 50-60Hz, Output:  12V/1.5A Environmental: - Operational: 0º to 50ºC - Storage: -10º to 60ºC - Humidity: 10 to 90% Non-condensing - Unit Dimensions (LxWxH): 180 x 120 x 36mm - Weight: 0.356 kg Compliance:  - FCC/CE/RCM