Open Paging Server

At a glance

• Editor score
  4.9 / 10
• Pricing
  Free plan
• Best for
  Self-hosted paging and IP-speaker broadcasts
• Free plan
  Yes
• Paid from
  Free
• Facts checked
  21 Sep 2026

• Where it wins

  • Free and open-source deployment
  • SIP and multicast support for VoIP endpoints
  • Cisco Unified Communications Manager integration

• Where it doesn't

  • Currently in early beta
  • Not suitable for production use yet
  • Focused on paging rather than all-channel alerts

Our verdict on Open Paging Server

Open Paging Server is free, open-source software for organizations that need public-address announcements and mass notification over existing VoIP infrastructure. It runs through web, Linux, or self-hosted deployment options and provides a web-based administration interface. Its core audience is teams managing IP phones, speakers, VoIP PBXs, ITSP connections, or Cisco communications environments that need live paging, mass messaging, bells, and scheduled announcements.

Its strongest fit is infrastructure-level broadcasting. SIP connectivity connects the product to VoIP PBXs and ITSPs, while multicast broadcasting targets IP phones and speakers. Cisco Unified Communications Manager integration extends that fit for Cisco-based communications environments. Endpoint modules and SDK support provide a path for connecting supported endpoints or extending the system. These capabilities make Open Paging Server more focused than broad notification suites: it is designed around paging and announcement delivery through networked voice infrastructure.

The product is free and open source, with Linux and Docker installation options and community support. That model can suit organizations that prefer self-hosting and want control over deployment, but it also places more responsibility on the team operating the system. The project is currently in early beta, and the vendor states that it is not yet tested or suitable for production use. Choose Open Paging Server for evaluation, development, or VoIP-centered paging requirements; organizations needing a mature production system or broader alert channels should choose an alternative. Its narrow scope and current release stage are the main factors to weigh before adoption.

Your product? Our editors can test Open Paging Server in depth and publish a review, labelled as paid · from $149/mo →

Open Paging Server pricing

Open Paging Server fact sheet

Open Paging Server integrations

Open Paging Server lists 3 integrations on its own site.

• SIP
• Multicast Gateway
• Cisco Unified Communications Manager

Alternatives to Open Paging Server

• Alertus Unified Mass NotificationA broad, infrastructure-ready alerting platform for complex organizations.9.4
• Honeywell Mass NotificationA broad emergency notification portfolio for organizations coordinating alerts across facilities.9.3
• Everbridge Mass NotificationA broad mass notification platform for complex, high-stakes communication workflows.9.2

See all Open Paging Server alternatives →

Featured on iTechGuides

Open Paging Server is listed in our Mass Notification Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

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Last updated 28 Sep 2026 · How we research and update