Operations Documents

Number range documents:

  • Number Range look-up database
  • Number Range look-up database guidance


  • November 2015 - Nuisance Calls Briefing
  • December 2014 - IPV6 Briefing


  • April 2019 – Nuisance Call CP Blocking Resolution Contacts
  • December 2018 -  Operations starter pack
  • October 2015 – ITSPA/Preiskel & Co LLP End User Terms and Conditions Guidance

ITSPA Members can read the documents here

Next Event

ITSPA Awards Ceremony

sponsored by


5th October, 2pm-5pm

SeaContainers, London

The winners of the 12th annual ITSPA Awards will be announced at the ceremony in London.
Book your tickets here.

More events

Latest News

2020 ITSPA Awards Finalists Announced

13th March 2020

ITSPA has announced the finalists of the 12th annual ITSPA Awards today. The Awards, which are sponsored by Magrathea, recognise achievement within the VoIP and Unified Communications industry and this year saw a record number of entries from across the sector.

Find all finalists here….