[Technologist]

The tower is the heart of BT Media and Broadcast video connections across the uk and internationally ….. so their gobal media network to pops in about 60 countries and media exchange platform 140 broadcasters here and 8k switches a month … and if course managing the BBC and itv WANs /video interconnect
www.mediaandbroadcast.bt.com 

So an amazing MCR to connect it all together and with the advent of Vena their virtualised platform , there is a data centre which among the other things codes and muxes D3&4
www.mediaandbroadcast.bt.com 
And lots of connectivity ..and you can connect via SRT over the internet to their main router !

And the tower itself is used for ad hoc microwave and a radio cameras service for central London ….. and a DAB transmitter,

And BT Corporate use the rotating restaurant as a hospitality space with lecture theatre at ground level ….