I called the one here in the US once, and while I don’t want to discourage others from using it, I have to say my experience was pretty terrible.

They weren’t really paying attention, just reading from a script. They also called the cops to my house for a wellness check, which somehow involved two officers with guns to talk to me about staying calm.

I personally find that calling my therapist or the nearby crisis center helps way more.

Just my personal experience.