Survey Leads Verification via Telecalling

I'm looking for a professional tele-caller to verify over 500 survey leads. The primary focus will be on confirming the contact details of these leads.

Ideal Skills and Experience:
- Proficient in tele-calling with a proven track record
- Excellent communication and verification skills
- Experience in working with survey leads
- Ability to handle and verify large volumes of data
- Tele-calling equipment and software