f08d3f52_PI_Directory___ProgrammableWeb__Description
[API Name] 4PSA VoipNow [Category] Telephony [Updated] 01.13.2011 [Description] 
4PSA VoipNow Core is delivered with an API that enables the integration with third-party applications. 4PSA VoipNow Core is an Integrated Communications System for service providers and enterprises....
API Directory | ProgrammableWeb
Description