---
title: "Agent VoIP telephone requirements"
slug: "agent-voip-telephone-requirements"
updated: 2026-07-23T10:07:29Z
published: 2026-07-23T10:07:29Z
canonical: "help.8x8.com/agent-voip-telephone-requirements"
---

> ## 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.

# Agent VoIP telephone requirements

Voice over IP (VoIP) telephone connections use a data connection to originate and transport telephone calls. **8x8 Contact Center** supports the following types of VoIP telephone equipment:

- Software-based VoIP phones such as Counterpath eyeBeam
- Hardware-based VoIP phones, such as the Cisco

Based on your business site, the IP address you use will vary. For details, see [X Series Technical Requirements](/support/docs/x-series-technical-requirements).

| Site | IPs |
| --- | --- |
| US-West | 8.21.164.0/24 |
| US-East | 8.28.3.0/24 |
| Europe 2 | 217.163.57.0/24 |
| Europe 3 | 109.70.58.0/24 |
| Hong Kong | 103.252.162.0/24 |
| Australia | 103.239.164.0/24 |
| Brazil | 168.90.173.112/28 |
| Canada | 142.165.219.0/24 |
| Bell Canada | 50.100.15.0/24 |
| Sandbox | Same as US-West |

For details about using CounterPath softphones, see the firewall and NAT requirements in the table listing [computer hardware and software required to run **8x8 Agent Workspace**](/documentation/docs/agent-computer-hardware-and-software-requirements#table-summary-agent-computer). In addition, see how you can [configure Bria 5](https://support.8x8.com/cloud-contact-center/virtual-contact-center/administrators/how-to-configure-bria-5-for-8x8-contact-center). For details about VoIP equipment and configuration, see [X Series Technical Requirements](/support/docs/x-series-technical-requirements) or contact [8x8 Support](https://support.8x8.com/).