Cold calling nightmares?

Are you bombarded by cold calling?

Are you being bombarded by phone calls from call centres?

It is estimated that we receive a staggering three billion cold calls from telemarketing companies a year.

The Citizens Advice Bureau is getting a growing number of complaints from the public about cold calling and companies' techniques.

A BBC One current affairs documentary would like to hear about your experiences. Would you be happy to talk to a BBC journalist?