Customer relationship management (CRM) is the software systems that range from simple, off-the-shelf contact management solutions to high-end interactive selling suites that combine sales, marketing, and executive information tools. These include product configuration, quote and proposal management, and marketing encyclopedias.
Some systems extend functions to include complex pricing, promotions, commission plans, team selling, and campaign management. Enterprise-level solutions installed at large companies with hundreds or even thousands of users have capabilities for call center and help desks; field service; forecasting; and analysis”
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