pansa is a graphical tool to monitor an Asterisk software PBX system. It uses the manager API provided by asterisk to display a visual representation of various function of the Asterisk software PBX.
Compiere-NMA is a compiere module for network monitoring, pbx cdr, accounting and billing. Target is to provide the needed infrastructure for providers and companies needed to monitor and bill IP networks based on Compiere ERP + CRM.