Phil Grainger

Principal Architect @AT&T

London, GB

Principal Architect specialising in design, implementation and migration of legacy systems to Microsoft Teams. Technical lead for Microsoft Teams Pre-sale activities and planning and delivery of Microsoft Teams Voice and Meetings workshops. Strategic oversight of customer voice transformation projects and technical leader reponsible for delivery. Lead Architect on Global Enterprise Scale (320k users) Microsoft Teams deployment, responsibilities include-Teams Cloud Voice design (including Enterprise Voice, Direct Routing, Calling Plans, Operator Connect, Audio Conferencing, Video Conferencing integration, Dial Plans, Voice Routing, IM, Presence, High Availability, Site survey, SIP Trunking, Voice and Site Transformation (Cisco, Nortel, Alcatel, Skype and TDM PBX to Teams), O365 Security and Compliance, Teams E911, Teams IP Phones, Meeting Room systems, Mobility, Site Survivability, Analog Integration, Troubleshooting, AudioCodes SBC design and deployment).Lead Architect on Global Enterprise Scale (300K users) Microsoft Teams, Skype For Business 2015. Lync 2010/2013 deployment, responsibilities include-SfB/Lync Server design (including Enterprise Voice, Edge, Certificates, DNS, Archiving, Monitoring, Dial-in Conferencing, Video Conferencing, Number Normalization, Dial Plans, Voice Routing, IM, Presence, High Availability, Site survey, SIP Trunking, SIP Transformation, Security, 3rd party Audio Conferencing integration, Mobility, Branch Design, Site Survivability, Troubleshooting and AudioCodes Gateway design and deployment).

IT Certifications

Computing

The Open University

B.Sc (Hons), Maths & Electronics