Interfacing destination entry system with building security using switches

A system and method for interfacing a destination entry system with existing security infrastructure of a space. The destination entry system may include at least one destination entry device configured to receive a destination request from a user and an interface device to facilitate communication between the destination entry system and a security system). The interface device may be configured to receive credentials of the user from the security system, co-relate the credentials with areas within a space that the user is authorized to access, identify which one of the at least one destination entry device originated the destination request from the user and communicate the authorized areas and the identified one of the at least one destination entry device to the destination entry system.