Grandstream HT881 Analog FXO Gateway | 8-Port VoIP Gateway

The Grandstream HT881 Analog FXO Gateway is a high-performance 8-Port VoIP gateway that enables businesses to integrate traditional analog phone lines with modern VoIP networks. Designed for reliability, efficiency, and scalability, it allows seamless communication between legacy phone systems and IP-based infrastructures.

Powered by advanced VoIP technology, the HT881 delivers crystal-clear audio quality, strong SIP interoperability, and advanced features such as 3-way conferencing, call forwarding, caller ID, T.38 Fax over IP, and secure encryption protocols.

Key Specifications:

• Model: Grandstream HT881
• Type: Analog FXO Gateway
• Ports: 8 × FXO (RJ11) Ports
• Network: 1 × 10/100/1000 Mbps Ethernet Port
• VoIP Protocols: SIP (RFC 3261 compliant)
• Voice Codecs Supported: G.711, G.722, G.723.1, G.726, G.729A/B, iLBC, OPUS
• Fax Support: T.38 Fax over IP
• Security: TLS, SRTP, HTTPS, AES encryption
• Call Features:
  • Call Waiting, Call Forwarding, Call Transfer
  • Caller ID and Speed Dial
  • 3-Way Conference Calling
• Configuration: Web UI, TR-069, Auto-Provisioning
• Power Supply: 12V DC Adapter
• Operating Temperature: 0°C to 45°C
• Dimensions: Compact desktop form factor