Grandstream HT841/HT881
The Grandstream HT841/HT881 is an FXO gateway with 4/8 FXO ports and 1 FXS port, featuring SIP failover, 3-way conferencing, TR069 provisioning, T.38 Fax support, and advanced NAT routing for seamless VoIP and legacy telephony integration.
Key Features:
4 or 8 FXO ports + 1 FXS port
Supports 3 SIP profiles
Lifeline support for power failure
Built-in high-performance NAT router
3-way voice conferencing per port
T.38 Fax-over-IP compatibility
Failover SIP server support
Secure provisioning via TR069
AES encryption with individual certificates
Description
Market-Leading Features :
Multiple FXO Port Options
Supports 4 or 8 FXO ports, along with 1 FXS port and 3 SIP profiles, enabling flexible deployment in diverse telephony environments.Lifeline Support
Automatically connects the FXS port to the FXO port during a power failure, ensuring continuous voice communication.Advanced NAT Router
Includes a built-in high-performance NAT router for reliable and efficient call routing and IP traffic management.Failover SIP Server
In the event the main SIP server becomes unavailable, the device automatically switches to a secondary server to maintain uninterrupted service.T.38 Fax Support
Provides reliable Fax-over-IP support using the T.38 protocol, ensuring seamless integration of legacy fax machines.3-Way Voice Conferencing
Enables three-way conferencing on each port, allowing real-time collaboration and improved team communication.Secure Provisioning & Management
Supports TR069 remote provisioning and device-specific AES encryption, ensuring secure setup and network management.