I need a open source PMS software to keep up with the rooms in a hotel, being cleaned, dirty, rented, reservation etc...
This PMS I would like it to interface with the PBX.
I'll attach a PDF doc to show what the PBX sends and expects.
MBX IP supports an interface with Micros-Fidelio Opera, one of the hotel management
systems. System interoperations between MBX IP and Opera are using FIAS (Fidelio Interface