Asterisk is the world's leading open source PBX telephony engine, and telephony applications toolkit.Offering flexibility unheard of in the world of proprietary communications, Asterisk empowers developers and integrators to create advanced communication solutions.
Digium vs. Sangoma: Which PCI Cards Are Better?
[Posted by Ramon Perez on voipsupply.com] I was given then dubious task of comparing Digium vs. Sangoma PCI cards. I probably would have been better off if I’d been tasked with “Who’s the bigger train wreck, Linsday Lohan or Charlie Sheen?”
Isanbox is an Open Source telephony, designed to provide security protection. It is very useful for protecting against signaling and media (SIP-TLS and SRTP). Core engine base on asterisk and freebpx web configuration.