Hello, I' m developer of the project MagnusBilling, www.magnusbilling.com.
MagnusBilling is a free billing, developer in Extjs 4 and Yiiframawork, to Asterisk.
We would like to develop a web mobile panel with basic function, such as, add credit to customer, change outboard trunk, last calls.
MagnusBilling have a complete webservice that return a JSON. This webservice can: read, save, delete.
Preference in SENCHA TOUCH.
Preference Freelancer that speak Spanish or Portuguese