-Implementation of UCS-B Server for voice network -Configuration of MGCP and H.323 gateway -PRI configuration -Configuration of cisco routers and switches -COnfiguration of Cisco unity connection and UCCX -Upgrading and troubleshooting of CUCM 11X -IP Phone 9971,7841,DX80,DX70 -Media resources like confrence bridge,MOH,MTP,transcoder -CSS and Partiton -CIsco VOiP