When we register Avaya 9621G phone to 3CX server, if there are a large number of Avaya phones, we can refer to the document to configure, and if the number of Avaya phones is not large, we can also refer
3CX
3CX
When we register Avaya 9621G phone to 3CX server, if there are a large number of Avaya phones, we can refer to the document to configure, and if the number of Avaya phones is not large, we can also refer