Others
Package content: 1x HT881, 1x Ethernet Cable, 1x Quick Installation Guide (Power Supply Not Included), Environmental: Operational: 32 Degree - 104 Degree F, Storage: 14 Degree - 140 Degree F, Humidity: 10 - 90%, Non-condensing, Media SRTP, Control TLS/SIPS/HTTPS, Management Syslog support, Telnet, SSH, Remote management using web browser, QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS), Traffic Shaping, DTMF Method In-audio, RFC2833 and/or SIP INFO, Provisioning and Control HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated provisioning using AES encryption, syslog, Factory Reset Button Yes, 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.729, 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 and auto-switch to G.711 for Fax, Pass-through Short/Long Haul Ring Load 3 REN: Up to 1km on 24 AWG, 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, Compliance FCC/CE/RCM/IC/UKCA