Possible Clues:

• Phone-company employee
• Perhaps it's Norma Hill who answers the call
• Surgeon offers absurdly poor rate!
• Surgeon who will do you if he can
• Musical show high spot for a worker
• Machinist
• Poor rate (anag.)
• Worker from the outskirts of Prague interrupting speaker
• Antiquated telephone company position
• Tosca, say, to Romeo, who's working the machine