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The IP500 4-Port Expansion Module enhances your Avaya IP500 control unit by boosting the expansion module ports from 8 to 12. This upgrade is perfect for users migrating from Norstar or BCM systems to an IP Office, allowing them to retain their existing phone investments seamlessly.
The Avaya IP Office Digital 16B V2 Station Expansion Module allows support for up to 16 additional digital phones. It is compatible with both Nortel heritage and Avaya digital phones; however, mixing brands on the same module is not allowed.
