Hi
It would be 'extremely' useful if you could add or simply enable, if system already have one!
Going by logic and since you are under BT [the mother ship] I guess you already have it in the system and only need to enable it.
I personally have a long list of numbers and having just added PCP on my phone services, this is NEEDED - we cannot wait for each nuisance call to come and 'manually add it', we are not in the 1950s anymore.
Thank you for listening
