These documents all reference ITSPA, the name of Comms Council UK before it rebranded in 2021.
Briefings:
May 2016 Guide to the draft Investigatory Powers Bill
May 2015 Digital Single Market Summary Briefing
April 2014 Changes to Non-Geographic Number Regime Briefing
April 2014 Changes to the Switching Regime Briefing
Ofcom Digital Communications Review:
October 2015 Response
May 2015 Initial comments