Crm systems are hosted by an external vendor in the vendor's data center.
social
mobile
on-premise
on-demand

On- demand

Explanation:

 On demand CRM system are basically hosted by the external vendor in the vendor data center. CRM is basically stand for customer relationship management.

CRM is a strategy that are used for managing the organisation relationship with the customers.

On demand CRM define as software availability for the customers. It basically connected with the idea of software on demand. The software are modify according to the current requirement and demand.

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