Voice:
Operations and maintenance of virtual machines running using ESXi solution: Cisco Unified Communications Manager (CUCM) , Cisco Instant Messaging and Presence (IM&P) Cisco Unity Connection (UC) Cisco Unified Contact Center Express(UCCX) Cisco Telepresence Video Communication Servers (VCS)
Provide support to end user for Telephony issues e.g. calling rights, phones not working etc.
Troubleshooting call routing issues.
Responsible for call recording on IP Phones.
Zoom connectivity with Telepresence server.
Dial peer inbound & outbound , VOIP & POTS configuration
Backup and restoration of voice gateways configuration
Creates and maintains network and infrastructure documentation.
Good team player, willing to share knowledge with the team.
Implemented different CUCM features which includes :
Speed dial Soft keys
Callback Do Not Disturb
Extension mobility Call forward
Conference Voicemail
Call waiting Call pickup
Music on hold Transfer
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Routing:
Technical understanding of TCP/IP and the OSI model
Designing IP addressing scheme – using subnet
Configuring Routers (IOS based)
Configuring Static, Default Routing & dynamic Routing Protocols like :
RIP BGP IGRP OSPF
Inter-VLAN routing through following method:
Layer 3 switching
Router on a stick
NAT (Network Address Translation)
Implementing Gateway Redundancy Protocols like :
HSRP VRRP GLBP
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Switching:
Basic configuration of switch i.e. Management IP address, Host name, Passwords etc.
Ethernet Communication & Operation modes :
Half Duplex Full Duplex
Unicast Multicast Broadcast
Implementing VLANs :
Native VLAN , Voice VLAN , Data VLAN , Management VLAN , Default VLAN
Port-based VLAN
Password recovery for Cisco Switches.
Implementing VTP modes :
Server , Client , Transparent
Switch ports configuration :
Access Port , Trunk Port , Console Port
Spanning Tree Protocol (STP) types & states :
RSTP , MSTP
Blocking Listening Learning
Forwarding Disabled
Implementing Port-channeling.
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CCTV Installation and configuration
Door access devices installation and configuration
Attendance machine installation and configuration