Grand Stream Analog FXO Gateway, 4 RJ11 FXO ports X 1 RJ11 FXS \ HT841

The Grand stream HT841 Analog FXO Gateway stands out as a robust and reliable bridge

between legacy analog systems and modern VoIP infrastructure. Designed for SMBs, call centers,

and enterprises transitioning to IP telephony, this gateway offers a seamless integration of traditional phone

lines into IP-based systems.

Key Features Overview

The HT841 is equipped with 4 RJ11 FXO ports and 1 RJ11 FXS port, enabling it to connect multiple analog

PSTN lines and one analog phone or fax machine to a VoIP network.

This design allows businesses to continue utilizing existing telephony infrastructure while benefiting

from the cost savings and advanced features of VoIP.

1. FXO Ports (4 x RJ11)

The four FXO ports connect the gateway directly to the Public Switched Telephone Network (PSTN).

This allows businesses to:

• Receive and make calls over analog lines

• Route inbound calls to VoIP extensions or IP PBXs

• Provide backup connectivity in case of IP network failure

2. FXS Port (1 x RJ11)

The single FXS port supports analog devices such as traditional telephones and fax machines, which can operate over the IP network using SIP protocol. This is ideal for:

• Legacy device integration

• Fax over IP (FoIP)

• Local survivability during network outages

Performance and Reliability

Grand stream’s HT841 features high-performance voice processing with comprehensive echo cancellation, adaptive jitter buffer, and packet loss concealment. It supports advanced telephony features such as call waiting, caller ID,

three-way conferencing, and more, ensuring superior call quality and user experience.

Additionally, the device supports multiple SIP profiles and automatic provisioning, making it easy to deploy and manage in various business environments. Security is a priority with TLS and SRTP encryption ensuring secure voice communication.

Ideal Use Cases

• Small to Medium Businesses (SMBs): A perfect solution for integrating legacy phone lines with IP PBX systems.

• Call Centers: Offers cost-effective call routing with PSTN failover capabilities.

• Enterprises with Branch Offices: Enables a hybrid communication system without overhauling the entire telephony infrastructure.

• Hotels and Hospitality: Connects analog room phones to centralized IP systems.

Conclusion

The Grandstream HT841 Analog FXO Gateway is a future-proof investment for organizations looking to transition smoothly from analog to VoIP. Its combination of flexibility, reliability, and cost-efficiency makes it an essential component in any hybrid communication strategy. Whether you’re modernizing an existing phone system or deploying a new VoIP infrastructure, the HT841 delivers exceptional performance and integration capabilities.