Yeah, that's a major issue with more loaded machines, especially with older/worse virtualization technologies. It seems tolerable on Twilio, and I've run asterisk and freeswitch on virtualized machines (with HVM) which work ok.
My reason for not wanting VoIP gateway on AWS is that I want to use it for AWS-hosted-app error reporting, so having dependencies on AWS is a problem.
My reason for not wanting VoIP gateway on AWS is that I want to use it for AWS-hosted-app error reporting, so having dependencies on AWS is a problem.