Grandstream Ht881 Nigeria
Grandstream Ht881 Abuja

Grandstream HT881 Nigeria

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Grandstream HT881 Nigeria

The Grandstream HT881 Nigeria FXO gateway seamlessly incorporates analog phone systems into VoIP networks, providing a streamlined communication solution for businesses.

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Description

Grandstream HT881 Analog FXO Gateway Nigeria

The Grandstream HT881 Nigeria FXO gateway seamlessly incorporates analog phone systems into VoIP networks, providing a streamlined communication solution for businesses. It caters to businesses of various sizes, making it easy to connect analog phones to both on-premise and hosted IP PBX systems. The Grandstream HT881 Nigeria gateway comes with FXO and FXS ports, enabling users to make and receive calls over the traditional phone network (PSTN). It also offers advanced telephony features such as call transfer, call forwarding, and call waiting. With its simple setup and excellent voice quality, the Grandstream HT881 Nigeria is the perfect VoIP gateway for businesses, regardless of size.

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 : G.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 : 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
  • 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

Datasheet Download

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