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What Is a VoIP Gateway? Bridging Analog and Digital Networks
A VoIP gateway is a device that converts voice traffic between traditional telephone networks and internet-based SIP networks. It allows organizations to keep analog phones, fax machines, intercoms, and PSTN lines while migrating the core phone system to VoIP.
FXS vs FXO Ports
FXS ports connect to analog endpoints such as phones and fax machines, providing dial tone and ringing voltage. FXO ports connect to analog lines from the telephone company, preserving existing PSTN service.
Why Gateways Matter
Few organizations can replace every device on day one. Gateways extend the life of working equipment, reduce upfront costs, and allow phased migration. They also maintain compatibility with specialized devices such as alarm panels and elevator phones that require specific line signaling.
Redstone Gateway Portfolio
Redstone offers port-count options from small-office RGW8 units to high-density RGW96 systems. All share common management interfaces and configuration concepts, so IT staff can support any site size with one operational model.
Redstone Systems, Inc. founded in Delaware, USA in December 2002, has been the ODM vendor for many well-known communications companies, serving the Southeast Asian market. In 2020, Redstone Systems will begin to return to the North America market with its self-developed brand.
Redstone has a complete product line of intelligent voice gateways, providing IP-PBXs, analog VoIP gateways (FXS/FXO), digital VoIP gateways (E1/T1), border appliances, and session boundary controllers (SBCs).
With advanced technology in digital signal processor (DSP), speech coding and speech processing, as well as efficient operational tools such as cloud remote management, auto provisioning, Redstone gateways are widely used in markets of enterprise communications, cloud communications, call centers, operators’ IMS/SIP trunks, bringing users friendly, efficient and reliable communication experience.
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