As an Advertising Sales Agent, you will need to master following:

• advise on merchandise features
• characteristics of products
• characteristics of services
• contact customers
• deliver a sales pitch
• demonstrate motivation for sales
• ensure compliance with purchasing and contracting regulations
• guarantee customer satisfaction
• implement customer follow-up
• implement sales strategies
• keep records on sales
• produce sales reports
• prospect new customers
• record customers' personal data
• sales promotion techniques
• sales strategies

More generally, an advertising sales agent is also versed in:

• advertising techniques
• answer requests for quotation
• communicate with customers
• customer relationship management
• ensure client orientation
• ensure compliance with legal requirements
• keep records of customer interaction
• respond to customers' inquiries
• types of media
• use customer relationship management software

It also helps to know the following:

• carry out sales analysis
• media formats
• monitor after sales records
• outdoor advertising
• provide advertisement samples
• stay up to date with social media
• work with advertising professionals
• apply social media marketing
• apply technical communication skills
• develop media strategy
• develop promotional tools
• media planning
• monitor media industry research figures
• perform media outlets research