Grandstream HT881 (8 Port FXO)
$420.00
on your 1st bill
The Grandstream HT881 is an 8-port analog FXO gateway that connects up to eight existing PSTN phone lines to a hosted or on-premise IP PBX, with an additional FXS port and lifeline support that keeps a phone working during a power outage.
Enquire About This AdaptorSKU: VG-IPG-HT881
Key Features
- 8 FXO ports for connecting existing PSTN/analog phone lines
- 1 additional FXS port for a local analog phone or fax
- Supports 3 independent SIP profiles
- Lifeline support — the FXS port auto-switches to an FXO line during a power outage
- Built-in high-performance NAT router
- Dual Gigabit Ethernet ports with PoE
- T.38 Fax over IP and 3-way conferencing per port
- Strong AES encryption with a unique security certificate per unit
At a Glance
| Ports | 8 FXO ports + 1 FXS port |
| Network | Dual Gigabit Ethernet with PoE |
| Direction | FXO — connects existing PSTN/analog phone lines into your VoIP system |
Why Choose the Grandstream HT881?
The HT881 is the right fit when you want to keep existing PSTN lines in service alongside a VoIP rollout — common for branch offices or sites where full number porting is not ready yet, and its lifeline feature keeps a phone alive if the power drops.
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