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ACCOLC (Access Overload Control) was a process in the United Kingdom for limiting mobile telephone use in times of emergencies. It is like the GTPS (Government Telephone Preference Scheme) for landlines.

This process allowed the telephone networks to limit access in a specific area to registered numbers only and is normally started by the Police Incident Commander (although it can be invoked by the Cabinet Office). The emergency services are responsible for registering their key numbers in advance.

ACCOLC was replaced by MTPAS (Mobile Telecommunication Privileged Access Scheme) in 2009.[1]

Use[change | change source]

ACCOLC was deployed at the Hillsborough disaster.[2]

References[change | change source]

  1. "Resilient communications - GOV.UK". 20 February 2013. Retrieved 17 June 2021.
  2. "Printed incident logs of all calls received to the South Yorkshire Police control room on Special Incident 2 15 – 26 April 1989" (PDF). Crown. Archived from the original (PDF) on 3 March 2016. Retrieved 1 October 2012.

Other websites[change | change source]