Any version of linux with at least glibc 2.5
i386 (i686) and x86_64
1 GB RAM recommended
50-150 MB, depending on the voice
Pentium 4 (req.) Intel Core 2, Duo( recommended) Load greatly depends on the number of concurrent ports in use, for specific questions contact Cepstral.
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Compatible with SSML v1.0, app_swift, Asterisk 1.4 to 14