---
title: "Yeastar P550"
description: "An on-site phone system for growing businesses, with room for more analogue devices and up to four 4G channels for call backup. Installed and supported by Lightning IP."
url: "https://dev.www.lightningip.com.au/hardware/yeastar-p550"
canonical: "https://dev.www.lightningip.com.au/hardware/yeastar-p550"
updated: "2026-10-07"
---

# Yeastar P550

For growing businesses

An on-site phone system for growing businesses, with room for more analogue devices and up to four 4G channels for call backup. Installed and supported by Lightning IP.

- **Brand:** Yeastar
- **Category:** Phone systems
- **Price:** Contact us
- **Stock status:** Made to order — Made to order — we'll confirm a dispatch date.
- **Order:** [Contact sales](https://dev.www.lightningip.com.au/contact)

## Features

- Up to 50 users
- 25 concurrent calls
- Analogue and 4G ports
- Installed and supported locally

## Specifications

| Specification | Value |
| --- | --- |
| Concurrent calls | 25 |
| Users | 50 |
| E1/T1/J1 ports | Not supported |
| Analogue extension ports (FXS) | Up to 8 |
| Analogue line / BRI ports (FXO/BRI) | Up to 8 |
| 3G/4G channels | Up to 4 |