I did not knew FreeSWITCH is that old but looks interesting .. on an old version where enable-use-system-time is enabled for some testing.

freeswitch@internal> status
UP 93 years, 92 days, 0 hours, 46 minutes, 41 seconds, 34 milliseconds, 220 microseconds
FreeSWITCH (Version 1.4.26  64bit) is ready
0 session(s) since startup
0 session(s) - peak 0, last 5min 0
0 session(s) per Sec out of max 30, peak 0, last 5min 0
1000 session(s) max
min idle cpu 0.00/97.93
Current Stack Size/Max 240K/8192K

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