Resumen:
The project described in this thesis is one of many solutions to give users for commercial or educational institutions
information of their movements in this case of debt in an agile, quick and easy way with a phone call and using a
key field to identify in this case the identity card number.
When a user makes a call to the telephone exchange this will hear a menu and must enter its ID, according to what
it press can take several cases, which are explained in the description of the project.
This is a very low cost solution for institutions since all that is used for implementation is open source.
Asterisk is used to implement this solution as VoIP server, to make the code that allows the option to use Asterisk
Gateway Interface (AGI) that have Asterisk, PHP language is used, use a php library “php –agi” that handles all
Asterisk options so they can be used more easily in php code and MySQL database is used as data storage engine.
