GS-HT-881 Grandstream HT881 8 Port FXO VoIP Gateway

GS-HT-881

R 3,560.00

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Grandstream HT881 8 Port FXO VoIP Gateway

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GS-HT-881

VoIP FXS / FXO routers & gateways

Grandstream

GS-HT-881 information and overview

Grandstream HT881 8 Port FXO VoIP Gateway, Supports 3 SIP profiles through 1 FXS Port and 8 FXO Ports, 3-way voice conferencing per Port, 8x RJ11 FXO Ports, 1x RJ11 FXS, 2x Gigabit RJ45 Ports

Specifications & more information about GS-HT-881, VoIP FXS / FXO routers & gateways manufactured by Grandstream

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Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.

Overview:

HT841/HT881
Analog FXO Gateway
The HT841/881 FXO gateway series enables businesses of all sizes to create an easy-to-deploy VoIP solution. These FXO gateways offer 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.

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:

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	GS-HT-881
Interfaces
Telephony Interface	HT841: 4 RJ11 FXO ports/1 RJ11 FXS
Telephony Interface	HT881: 8 RJ11 FXO ports/1 RJ11 FXS
Network Interface	Two 10/100/1000Mbps RJ45 ports, one with 802.3af PoE-PD support
Network Interface	Note: Up to 1000Mbps in Bridge mode, up to 100Mbps in NAT mode
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.726-32, 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
Signaling
Network Protocols	TCP/IP/UDP, RTP/RTCP (RFC1889, 1890), HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, Telnet, STUN (RFC3489, 5389), SIP (RFC3261), SIP over TCP/TLS, SRTP, SNMP, TR-069, IMS/3GPP, IPoE
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
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
Universal Power Supply	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)
Dimension and Weight	Weight: 0.46KG
Package Contents	1x HT841/HT881, 1x Ethernet Cable, 1x Quick Installation Guide (Power Supply Not Included)
Compliance	FCC/CE/RCM/IC/UKCA

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The best price and guaranteed service and backup from official computer suppliers in South Africa for the GS-HT-881 Grandstream HT881 8 Port FXO VoIP Gateway.

The Grandstream GS-HT-881 Grandstream HT881 8 Port FXO VoIP Gateway is available for R 3560. The product is sold by ComX Computers as new. Prices are valid today 2026-10-16 (before 2026-10-17, by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.

Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.

Find related GS-HT-881 Grandstream HT881 8 Port FXO VoIP Gateway products in our VoIP FXS / FXO routers & gateways Category for even more options. Read reviews and find out about GS-HT-881 Grandstream HT881 8 Port FXO VoIP Gateway. Discounts, specials and cheap prices only at ComX Computers.

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