To prevent ICQ users not in your contact list , from calling you:
Click on Menu > Settings > Messaging > Audio & Video.
Uncheck "Receive calls from contacts not in my contact list".
Click on Ok to validate.
CCM is a leading international tech website. Our content is written in collaboration with IT experts, under the direction of Jeff Pillou, founder of CCM.net. CCM reaches more than 50 million unique visitors per month and is available in 11 languages.