Despite the fact that telemarketing has been used for a long time, it is still a solution for some marketing needs to a wide variety of businesses. Just because it has been utilized for quite a while does not imply that it must be changed. It works and it works as it should be.
Without a doubt, and will continue to increase this trend.
I work in this, my experience is in the field of tourism. Travel agencies in the style of avantrip and related.