Asteriskasterisk.orgDependsConfidence: MediumAsterisk is a powerful free PBX engine for teams with in-house VoIP/Linux engineers.Read the full report
Pick Asterisk whenTeams with in-house VoIP engineersCustom IVR and call-center buildsBudget-driven self-hostersDevelopers embedding telephony
When Asterisk is not a fitSmall offices wanting a phone that just worksAnyone without Linux/VoIP admin skillsTeams that can't patch CVEs within daysBuyers needing vendor support SLAs