Cisco Voice Collaboration EngineerHands-on Cisco voice platforms and unified communication and collaboration technologies. Demonstrate extensive technical experience working with large VoIP network using Cisco Voice collaboration platforms and solutions including Call Manager/CUCM, Cisco SME, Unity Connection Voice Mail, Webex, Webex Teams, MRA, Expressway and VMWARE. Sound working knowledge of SRTP, RTP, Opus, SCCP, and SIP and SIP interworking.