CRS Interfaces

The short video below provides a good explanation and the benefits of interfaces explaining interface of PMS with CRS. 

There many more interfaces between hotel systems; Point of sale (POS), door locking, back office accounting etc.  One way interface generally refers to pushing of reservations from one system to another. e.g CRS to PMS, or Channel Manager to a PMS or CRS etc.

Two way interfaces include the reservations push but also flow of information such as rates, availability, restrictions from one system to another.

Explaining a PMS interface with CRS