---
title: "Obihai User Manuals"
slug: "obihai-user-manuals"
updated: 2026-07-01T09:07:12Z
published: 2026-07-01T09:07:12Z
canonical: "help.8x8.com/obihai-user-manuals"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Obihai User Manuals

> [!WARNING]
> IMPORTANT:
> 
> Obihai ATA 300/302/508 devices are now EOL.

## OBi300 ATA

- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[OBi Wi-Fi Adaptor Dongle Configuration and Setup](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/OBi2BWiFi2BAdaptor2BDongle2BConfiguration2Band2BSetup.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi300 ATA Analog Phone Qick User Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Obihai-OBi300-ATA-QUG-pm6030416.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi300 ATA Fax Extension Quick Activation and Installation Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Quick_Install_Fax_Ext_Obihai_OBi300_2BPM6070416.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi300 ATA Overhead Paging Quick Activation and Installation Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Quick_Install_Overhead_Paging_Obihai_OBi300.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)

## OBi508 ATA

- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi508 ATA Analog Phone Quick User Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Obihai2BOBi5082BATA2BQuick2BUser2BGuide.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi508 8-Port ATA Overhead Paging Line Out Quick Activation and Installation Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Quick_Install_Overhead_Paging_Line_Out_Obihai_OBi508.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi508 8-Port ATA Fax Extension Quick Activation and Installation Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Quick_Install_Fax_Ext_Obihai_OBi508.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)
- ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/global_doc.gif?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)[Obihai OBi508 ATA Overhead Paging Phone Port Quick Activation and Installation Guide](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/Quick_Install_Overhead_Paging_Obihai_OBi508_Quick2BActivation.pdf?sv=2026-02-06&spr=https&st=2026-11-03T22%3A19%3A07Z&se=2026-11-03T23%3A19%3A07Z&sr=c&sp=r&sig=7zu15bMiqDFKfhgd%2BMlZWsSuWFUWIA3ESg%2FFrkxc864%3D)