You can access
www.avaya.com/espl and login and download PEP.
Got to Multimedia Applicaiton tools->MutiMedia Applications Patch Search button-> Product - enter "callpillot",-Platform enter "Desktop client"- Release enter " 05.01.02. Select
CP501_Desktop_05.01.02.06. This supports outlook 2013 64 bit and 32 bit.