Telepresence, Jabber, Voice Gateways, Qos, Avaya phones, Troubleshooting hardware and software issues, Unity voicemail, Codian MCU devices, VoIP, CoS, Wireless Technology, Information security remediation, Cisco router switch, Installing and upgrading operating systems and computer software, Troubleshooting networking and connection issues, Network routing and switching, SIP, Installing and maintaining hardware and computer peripherals, Avaya Media Gateway, Cisco Unified Communications Manager, LAN Voice Video services, TDM