Errors in a recent SearchITChannel.com story about a large-scale PBX-to-IPTelephony migration at Navigant Consulting, Inc. led to several misattributed quotes and one erroneous description of a new piece of networking infrastructure.
In How to unify a network when the company keeps expanding, which was posted Jan. 19, it was Joe Kennedy, of Navigant's network operations and service desk who said: "When [we're] asked what PBXes did we have, our CIO likes to say 'all of them.'"
It was Mike Dongvillo, Navigant's network architect who said about the installation and replacement of a WAN backbone: "It has worked -- knock on wood—solid as a rock, for the most part. But [the experience] was a forest fire."
Dongvillo asked SearchITChannel.com to clarify that the network infrastructure piece supplied by Sprint was an IP-based virtual private network, which went into place without enough testing to reveal that it couldn't deliver the quality of service required for the VoIP network.
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Sprint acknowledge the error and replaced it at no charge with its higher-performing MultiProtocol Label Switching VPN service. The switch delayed the project several months.
A cost analysis was done on the project, but the estimates were "about 20% inaccurate," Dongvillo said, because of the variability and unknown configurations of networks in remote or newly acquired business units.