business phone services huini amatyti reliability built for business mmm exclusive member savings replace costly landlines with a more cost-efficient innovative features and collaboration tools designed to help your business communicate better costco members could save an average of robust business phone system free business phones for each user with one year of service convenient mobile app professional business email for each user on their business phone bill over traditional phone service.3 intermedia regulatory fees and other fees and surcharges costco | selected services ewholesale | member-only values