Mark Harris serves as the UC Voice Network Architect at CallTower since September 2005, specializing in the architecture of UC solutions for a UCAAS hosted provider that integrates Cisco HCS, Metaswitch, direct routing with MS Teams, Cisco WebEx calling, and Zoom PSTN integration. Harris has extensive experience in monitoring and maintaining multiple CUCM clusters, managing approximately 22,000 endpoints, and leading technical escalations. Previous roles include Voice Network Architect, voice services engineer, and technical services engineer, where responsibilities encompassed troubleshooting and overseeing communication circuits. Prior to CallTower, Harris worked as a Technical Project Manager at Convergys and served as a PDI Help Desk supervisor. Education includes studies at Salt Lake Community College and Unitek College.
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