COLLINS Barry <br/><br/>
The Great British switch-off/ 
Barry Collins 
 -  2021 
<br/><br/> About the UK telephone network that will come to an end in 2025.  But the migration to modern digital technology will affect many things. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PUBLIC SWITCHED TELEPHONE NETWORK --PSTN--MODERN DIGITAL TECHNOLOGY