Client / server: this type of tools have a piece of software installed on an application server that contains the database of system and another piece of software installed on the client that can be a PC or a device Mobile. These tools have several advantages in scenarios which require response times high in applications as it can be a Call Center 2. Web: on these platforms is it has the advantages of having a centralized management of the applicative, now that clients generally do not is required any software to operate, but that through an Internet browser is accessed the information. These alternatives are very useful when I have users dispersed in distant geographical locations, but require information online and updated for its management. 3 Phones: This is a variation of the client/server platforms. This is the case of e.g. the automation tools sales force, where the seller has a laptop or mobile device type handheld which carries a small database with relevant and updated information which can be consulted anywhere without having access to the central server. Then through processes of synchronization information is updated against the server either in the Office or through an Internet connection even from a mobile phone.
According to the type of engagement that is made for licensing tools, on the basis that will install a tool already developed and supplied by a software manufacturer, we have three choices of selection: 1. On Premise: with this concept are referred to as tools that are supplied in the form of licensing where the company buys a few usually perpetual licenses of use of a tool already developed. This is the most traditional model in the software world, here your organization acquires a few servers where installed the application and the database of the system. In these models, you should consider not only CRM software but the software base required for its operation, such as operating systems, database and engine components further depending on the tool selection and Hardware or servers and workstations that will have to operate the system.