I can certainly help you get started on this project by providing:
An SEO-friendly outline: This will include ideas for your H1, H2, H3 (x2), H4, H5, and H6 headings, keeping the "lead generation call center" topic in mind and aiming for a 7th-grade reading level.
A strong opening paragraph: I can write an engaging introductory paragraph that sets the tone and introduces the topic.
Examples of content for a few sections: I can write a few paragraphs following your length constraints and transition word requirements, demonstrating the writing style.
Ideas for your unique images: I can describe two distinct image concepts related to db to data generation call centers that you could then have designed.

A list of relevant keywords: This will help with the SEO-friendliness of your article.
To Help Me Help You Better, Could You Clarify?
Do you have any specific angles or sub-topics within "lead generation call center" that you'd like to emphasize? For example, B2B lead generation, B2C, specific industries, or challenges?
Are there any particular benefits or drawbacks of call center lead generation you want to highlight?