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Instead of Open Paging Server
Open Paging Server alternatives
Open Paging Server uses an existing VoIP system for live paging, mass messages, and bells. SIP connects it to a VoIP PBX or ITSP, while multicast can reach IP phones and speakers. Its endpoint modules include Cisco, Polycom, Yealink, and Snom, and an SDK allows third-party modules. It is free, GPL 2.0 software that organizations can host themselves, with automatic Linux and Docker Compose installation options.
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Text-Em-All (formerly Call-Em-All)
Free plan AndroidAPIiPhone+1Businesses sending SMS and voice broadcasts — Text-Em-All adds two-way texting, scheduled broadcasts, and voice messaging, while Open Paging Server focuses on VoIP paging, multicast, and bells.
- 2
EMMA Notify
Paid AndroidiPhoneLinux+3Emergency reporting and response coordination — EMMA adds in-app emergency reporting, GPS-based response maps, and nearby emergency assets, while Open Paging Server provides VoIP paging and mass messaging.
- 3
Honeywell Forge
Paid AndroidAPIiPhone+4Industrial operations and field inspection workflows — Honeywell Forge focuses on industrial operations, process optimization, and field inspections rather than Open Paging Server's VoIP paging and bells.
Pricing on request Visit site - 4
CrisisGo
Free plan AndroidExtensioniPhone+3School and workplace safety coordination — CrisisGo adds safety workflows for prevention, visitor management, mustering, and accountability beyond Open Paging Server's paging and mass messaging.
- 5
SA-Announce
Free trial AndroidAPIiPhone+3Organizations needing alerts across phones and desktops — SA-Announce adds text and graphic alerts for desktops, mobile devices, and PA systems, while Open Paging Server centers on VoIP paging and bells.
- 6
Alertable
Paid AndroidAPIiPhone+1Location-targeted alerts with recipient feedback — Alertable adds geofencing, scheduled alerts, recipient check-ins, and social media posts beyond Open Paging Server's VoIP paging and multicast.
- 7
EmReach
Paid AndroidAPIiPhone+1Multichannel global emergency notifications — EmReach adds SMS, WhatsApp, voice, email, geofencing, and location tracking, while Open Paging Server uses VoIP and multicast endpoints.
- 8
Genasys Protect
Free plan AndroidiPhoneWeb - 9
OpenEWS
Free plan APISelf-hostedWeb - 10
DialMyCalls
Free trial AndroidAPIExtension+2 - 11
Castatus Crisis Manager
Free trial iPhoneWeb - 12
AlertFind
Paid AndroidAPIiPhone+1 - 13
NetSupport Notify
Free trial AndroidExtensioniPhone+5 - 14
Alertus Unified Mass Notification
Paid AndroidAPIiPhone+4 - 15
BlackBerry AtHoc
Paid AndroidAPIiPhone+1 - 16
OnPage
Free trial AndroidAPIiPhone+1 - 17
PushPulse
Free trial AndroidiPhoneMac+2 - 18
CivicPlus Mass Notification
Paid AndroidAPIiPhone+1 - 19
Crises Control PING
Paid AndroidiPhoneWeb+1 - 20
TextSpeak NOTIFY!
Free trial AndroidiPhoneMac+2 - 21
Hyper-Reach
Paid AndroidAPIiPhone+1 - 22
InformaCast
Paid AndroidiPhoneSelf-hosted+2 - 23
Alert Cascade
Paid Web - 24
Konexus Critical Communications
Paid AndroidAPIiPhone+1 - 25
Omnilert
Paid AndroidAPIiPhone+1
The key trade-off is readiness: its maker says it is in beta and not ready for production use. It is aimed at small and medium enterprises comfortable with system administration; the automatic installer supports specified Debian and Ubuntu versions on x64 or ARM64. Alternatives may be a better fit when alerts need to reach people by text, email, mobile app, or social media, or when response workflows need location reports, maps, or accountability tools. Compare those channels and capabilities with your reliance on VoIP paging, as well as platform coverage, hosting preferences, and the price of paid plans.
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