(a) Except as provided in subsection (b), the provisions of this Act shall not apply to any licensed insurance company, its licensed employees or agents when performing acts within the scope of their licenses in relation to existing customers or policyholders, or employees of licensed agents.

(b) Notwithstanding the provisions of subsection (a), all telephone calls must be made in compliance with the requirements of subsection (c) of Section 15 [815 ILCS 413/15]. TELEPHONE SOLICITATIONS ACT