Description
Grandstream HT881 Kuwait
The Grandstream HT881 Kuwait FXO gateway offers a seamless VoIP solution tailored to businesses, enabling effortless integration of analog phone systems into VoIP networks. Versatile for enterprises of any size, these gateways facilitate connectivity across multiple locations and devices within an office, seamlessly connecting to both hosted and on-premise IP PBX networks. Featuring both FXO and FXS ports, the Grandstream HT881 Kuwait empowers users to make and receive calls via the traditional phone network (PSTN). Furthermore, it boasts advanced telephony features like call transfer, call forwarding, and call waiting. With its user-friendly provisioning and exceptional voice quality, the Grandstream HT881 Kuwait stands as the optimal VoIP gateway solution for businesses of varying scales.
Features
- Supports 3 SIP profiles through 1 FXS port and 4/8 FXO ports
- High-performance NAT router
- Lifeline support (FXS port will be hard-relayed to FXO port) in case of a power outage
- 3-way voice conferencing per port
- Automated & secure provisioning options using TR069
- Supports T.38 Fax for reliable Fax-over-IP
- Failover SIP server automatically switches to secondary server if the main server loses connection
- Strong AES encryption with security certificate per unit
Specifications
Interfaces
- Telephony Interface : 8 RJ11 FXO ports/1 RJ11 FXS
- Network Interface : Two 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support
- LED Indicators : POWER, NET1, NET2, FXS, FXO
- 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 : 711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729, G.726, iLBC,OPUS, dynamic jitter buffer, advanced line echo cancellation
- Fax over IP : 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
- 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, 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
- Provisioning and Control : HTTP, HTTPS, TFTP, SSH, TR-069, secure and automated provisioning using AES encryption, syslog
Security
- Media : SRTP
- Control : TLS/SIPS/HTTPS
- Management : Syslog support, Telnet, SSH, Remote management using web browser
Physical
- Universal Power Supply
- POE Input : 4 8 V / 0 . 5 A
- DC Input :12V/1A
- Environmental
- Operational : 32º – 104ºF
- Storage : 14º – 140ºF
- Humidity : 10 – 90% Non-condensing
- Dimension and Weight : 190mm x 100mm x 28mm (L x W x D)Weight : 0.46KG
- Compliance : FCC/CE/RCM/IC/UKCA
