Grandstream HT881
Analog FXO Gateway
Overview
About the Grandstream HT881
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.
The HT881 shares its hardware platform, firmware and documentation with the Grandstream HT841.
Key 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
Datasheets
HT881 datasheet
Declarations of conformity (1)
Firmware
HT881 firmware
| Version | Applies to | Files |
|---|---|---|
| 1.0.11.8 | HT841, HT881 |
Older firmware (1)
| Version | Applies to | Files |
|---|---|---|
| 1.0.9.9 | HT841, HT881 |
Documentation
HT881 guides & how-to articles
Installation11
Administration8
Interconnection6
Using the ATA5
Provisioning3
Technical Bulletins2
Networking2
GXV3350 > Networking1
GXV3380 > Provisioning1
Related
More Grandstream HT Series models
HT801
Easy-to-Use 1-Port ATA
Support & downloads
HT802
Easy-to-Use 2-Port ATA
Support & downloads
HT812
Powerful 2-Port ATA with Gigabit NAT Router
Support & downloads
HT813
Hybrid ATA with FXS and FXO Ports
Support & downloads
HT814
Powerful 4 Port FXS Gateway with Gigabit NAT Router
Support & downloadsNeed help with your HT881?
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Grandstream and Grandstream product names are trademarks of Grandstream Networks, Inc. Product information, images and documents are published by Grandstream (source) and provided here for reference by smplVoice. Firmware and documents are Grandstream’s original, unmodified files.