astpp

a smart telephony platform astpp 4.0 astpp launch event open source launch astpp launch voip billing software open source voip software open source telephony solution astpp 4.0 launch freeswitch billing open source astpp security astpp 3.6 quality assurance security information security telephony voip voip billing solution astpp maintainer astpp leader astpp community leader astpp tech lead astpp technical information astpp demo astpp system specification astpp min. requirement astpp community sip dialer mobile sip dialer mobile app qa