Telemarketer required for presentation development firm

We are looking for an experienced telemarketer to promote our unique offering of PowerPoint presentation development, design and consultancy.
From following up mailshot campaigns to data cleansing, we require a flexible freelancer, initially on a trial basis to assess how we work together, with a long term relationship on offer going forward.
All leads will be supplied. We would work together on the pitch/ approach structure to ensure maximum effectiveness and would expect circa 15 dials per hour, achieving 2 appointments per day.
Call session would be from 0930 to 1630 hours (obviously taking an hour out for a break!)
Ideally you would be comfortable working with Zoho CRM, however, we will supply you with a spread sheet format if not.
The trial would be for 2 x 6 hour sessions with an immediate start.