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MiVoice Office 250/Mitel 5000 / Re: Category A & D Phone licenses interchangeable?
« on: June 14, 2017, 10:18:11 AM »
In my experience, yes, the A & D licenses are interchangeable. Had a customer who had plenty of A licenses for the 86XX series phones. When those phones died and were replaced with 53XX phones, there was no need to purchase a D license; the system recognized there were available IP licenses (in this instance, A licenses) and used them.