ast e100 is the *asterisk based IPPBX solution which support 100 Subscribers. *astTECS IPPBX which is the new generation technology in PBX world and also used widely in developed countries, IPPBX to help you easily transition from simple telephony to feature-rich UC solution. Connect with various interfaces. *astTECS IPPBX will connect all your remote offices through VOIP. 2.8.2016 ~ Bangalore, Karnataka ~ 6.8 km.