To get the current supported softphone for Mac, follow these steps: Official Source : Navigate to the Avaya Support Portal Locate Software Support by Product Search for Avaya Workplace Client for Mac

one-X Communicator has largely been superseded by the Avaya Workplace Client

This is the official replacement and runs natively on modern macOS (including Apple Silicon).

You can technically download the legacy client from your company’s internal archives, provided you also install Apple’s legacy Java runtime. However, this is a security risk and should only be used offline or in isolated networks.

| Requirement | Specification | |-------------|----------------| | | OS X 10.9 Mavericks through macOS 10.14 Mojave (32-bit and early 64-bit) | | Processor | Intel Core 2 Duo or newer | | RAM | 2 GB minimum | | Disk space | 200 MB | | Network | SIP or H.323 VoIP connection to Avaya Aura / IP Office | | Java | Oracle JRE 8 (older versions required specific Java 6/7) |

A: No. The app is 32-bit and relies on deprecated frameworks. It will not launch.

Before downloading, confirm your system meets these legacy requirements or if you should use a virtual machine: