A detailed review on the 4424 and how it only works on non Enterprise Avayas plus the difference in TUI between the Magix and IPO in a future post in 2025.
This picture shows a phone in my own collection. This is an Avaya 4424 Digital Telephone. This phone was originally used in the Merlin Magix series of KSUs. They look like their other digital phones, the difference is the form factor, where the built in microphone is located (on the lower right where there is two holes), and its ring tones. The “menu” keys may appear to use a similar TUI like in the larger systems, but it works differently.
That’s if you have it tied into an IP Office system, and then it works just like the larger PBXs.
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