# Voice Notification Hardware

**URL:** <https://forum.inductiveautomation.com/t/voice-notification-hardware/9099>\
**Category:** General Discussion\
**Created:** [September 25, 2014, 1:23pm UTC](https://forum.inductiveautomation.com/t/voice-notification-hardware/9099 "2014-09-25T13:23:02Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![davisr19](https://avatars.discourse-cdn.com/v4/letter/d/76d3ee/32.png) [@davisr19](https://forum.inductiveautomation.com/u/davisr19)\
**Post date:** [September 25, 2014, 1:23pm UTC](https://forum.inductiveautomation.com/t/voice-notification-hardware/9099/1 "2014-09-25T13:23:02Z")

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ATCOM is no longer selling their IP01 PBX box.  
I see some posts regarding the GrandStream HT-503 but the link to the configuration guide is broken.  
What is the current recommendation for VOIP to POTS hardware to work with the voice notification module?