Interfaces

• Telephone Interfaces: Four (4) FXS ports (HT704)
• Network Interfaces One (1) 10/100Mbps auto-sensing ethernet ports (RJ45)
• LED Indicators: Power, Internet, LINK/ACT, PHONE 1/PHONE 1 (HT702), PHONE 1/PHONE 2/PHONE 3/ PHONE 4 (HT704)
• 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, dynamic jitter buffer, advanced line echo cancellation
• Fax Over IP: T.38 compliant Group 3 fax relay up to 14.4kbps and auto-switch to G.711 for fax pass through
• Short/Long Haul Ring Load: 3REN: Up to 1km on 24 AWG
• Caller ID: Bellcore type 1 & 2, ETSI, BT, NTT and DTMF-based CID
• Disconnect Methods: Busy Tone, Polarity Reversal/Wink, Loop Current

Signaling Network

• Protocols: TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR069, IPV4
• QoS: Layer 2 (802.1Q VLAN/802.1p) and Layer 3 (ToS, Diffserv, MPLS)
• DTMF Method: In-Audio, RFC2833 and/or SIP INFO
• Provisioning and Control: HTTP, HTTPS, TELNET, TFTP, TR069, secure and automated provisioning using AES encryption, syslog

Security

• Media: SRTP
• Control: TLS/SIPS/HTTPS
• Management: Syslong support, telnet, remote management using web broswer

Physical

• Universal Power Suppl:y Input: 100-240VAC, 50-60Hz Output: 12V VDC, 0.5A (HT702), 1A (HT704)
• Environmental: Operational: 32° ~ 104°F or 0° ~ 40°C; Storage: -14° ~ 140°F or -10°~ 60°C; Humidity: 10 - 90% non condensing
• Dimension and Weight: 119mm x 78mm x 60mm, 0.31kg (with package)
• Compliance FCC (Part 68 & 15B), C-Tick, AS/NZS CISPR22, CISPR24, CE, EN55022, EN55024, TBR21, EN60950, EN61000-3-2, EN61000-3-3, UL (Power supply)