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Linortek Netbell IP Paging System FAQ: Network-Based Communication for Facilities
TL;DR
Linortek's Netbell IP Paging System reduces costs by using existing network infrastructure, eliminating specialized contractors and recurring cloud fees for a competitive edge.
The system uses Power over Ethernet to deliver power and audio through network cabling, with SIP and proprietary protocol variants supporting unicast, multicast, and broadcast.
This system simplifies communication for schools and workplaces, enabling reliable emergency alerts and announcements that enhance safety and operational efficiency.
A single audio source can reach multiple speakers simultaneously via multicast, reducing VoIP licensing needs while supporting automated events like shift bells.
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The Netbell IP Paging System is a network-based communication platform designed for schools, manufacturing facilities, warehouses, government buildings, and other commercial buildings. It uses Power over Ethernet (PoE) to deliver both power and audio through standard network cabling.
Linortek developed the system in response to customer feedback about complexity and support challenges with legacy paging systems, which often require professional contractors for installation and become difficult to modify or troubleshoot over time.
By using existing network infrastructure and PoE technology, facilities can deploy the system using their own IT staff rather than specialized AV contractors, eliminating the need for separate amplifiers and dedicated speaker wire runs.
The system is available in two variants: the IP speaker line using Linortek's proprietary network audio protocol, and the SIP speaker line implementing Session Initiation Protocol (SIP 2.0/RFC 3261) for direct integration with VoIP phone systems.
Hardware options include horn speakers rated at 30 watts for industrial environments, wall-mounted speakers at 20 watts for corridors, and ceiling-mounted speakers at 30 watts for office spaces, all operating on 802.3at PoE power standards.
The system supports scheduling of up to 500 automated events for shift changes, break bells, emergency notifications, or routine announcements, and can integrate with building systems like fire alarms and security panels through digital input connections or RESTful API.
SIP speakers register directly as extensions on compatible phone systems, while IP speakers require the AU-711-SIP gateway device for VoIP integration.
Both product lines support unicast, multicast, and broadcast network protocols, with multicast allowing a single audio source to reach multiple speakers simultaneously without requiring individual network communication to each endpoint.
The system targets small to mid-sized facilities that struggle with complex legacy paging systems, solving problems of installation complexity, high total cost of ownership, and difficulty with modifications or troubleshooting without expensive manufacturer support.
More information is available at Linortek's website, with specific product details at IP Paging System page, IP speakers, SIP speakers, and other product pages mentioned in the content.
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