http://www.ag-projects.com/

Various SIP related products:

NGN service platform - SIP based platform for residential IP services (VoIP)
MediaProxy - Geographical distributed far-end NAT traversal solution for SIP Express Router
CDRTool - CDR Mediation and rating engine for SIP Express Router, Asterisk and Cisco gateways
ENUM - ENUM management system for PSTN number translation into VoIP URIs
NGN Pro - Integrated provisioning system for SIP Express Router, Asterisk, ENUM, CPL and accounting