I believe it's more to do with establishing a secret or 'exclusive' mode of contact between the hotline and the child. I imagine a large (possibly the biggest h

I believe it's more to do with establishing a secret or 'exclusive' mode of contact between the hotline and the child. I imagine a large (possibly the biggest hurdle) about getting kids to phone when they need to is to make them feel safe from their abuser finding out. Establishing that safety off the bat is important - the communication is in confidence.