He is a veteran of the communications industry, having started his career in the days of thermionic valves and rotary dial telephones. James has used SIP Express Router, OpenSER and Kamailio in a variety of roles over the years and is an energetic advocate for Open Source Software. Today he is CEO of Telet Research, a Northern Ireland based company who build mobile network infrastructure to facilitate Multi Operator Neutral Host (MONeH) operation for anyone who wishes to run their own mobile Radio Access Network. James is also one of the founders of the CH4LKE Mobile network – a Community Interest Company located in the beautiful Chalke Valley in South West England.