'My fear is they just won't bother': the cold callers turning out the marriage equality vote

Verbal abuse, apathy and voicemail are just some of the hurdles for those volunteering for the yes campaign

On Saturday afternoon, in a park in Sydney's inner west, 30 young people gathered in the sun to debrief about the past hour they had spent cold calling for the yes campaign for marriage equality.

"It was heaps harder than I thought it would be," one woman said, to murmurs of deflated agreement.