Block outgoing phone number

[alyson1]

Please could someone advise me how to block my elderly parent calling an 0844 number and running up considerable, u affordable charges? It's on my account and I hold POA for them as well. 

[Kimberlin · Accepted solution]

@alyson1 

https://www.bt.com/help/home-phone/calling-features-and-security/all-about-call-barring

[alyson1]

Thank you 

[alyson1]

Thank you