Grandstream HT881

  • Supports 3 SIP profiles through 1 FXS port and 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
  • A Failover SIP server automatically switches to a secondary server if the main server loses connection
  • Strong AES encryption with security certificate per unit


Analog VoIP Gateway in Pakistan – Grandstream HT881:

The HT881 FXO Analog gateway enables businesses of all sizes to create an easy-to-deploy VoIP solution. This FXO gateway offers the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on-premise IP PBX network to make deployments as easy as possible. The HT881 includes FXO and FXS ports to support remote calling to and from the PSTN line. Advanced telephony features, easy automated provisioning, and superb voice quality allow the HT881 to be the ideal VoIP gateway for businesses.


LED Indicators


Factory Reset Button


Short/Long Haul Ring Load

3 REN: Up to 1km on 24 AWG

Audio Conferencing

3-way audio conference

Disconnect Methods

Busy Tone, Polarity Reversal/Wink, Loop Current

QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
Universal Power Supply POE Input: 4 8 V / 0.5 A DC Input: 12V/1A
Weight 0.46Kg
Dimensions 190mm x 100mm x 28mm (L x W x D)