Extensive call-quality tests conducted independently by The Tolly Group in September 2003 show that Hewlett-Packard Co.'s ProCurve enterprise LAN switching infrastructure is a fertile network transport for voice over IP (VoIP) traffic generated by a diverse set of IP PBX products from multiple vendors. HP ProCurve Networking products gracefully supports call-quality levels on par with, or better than, those provided by a pure Cisco Catalyst network or a pure 3Com Corp. switch fabric when transporting VoIP alongside data traffic.
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