/usr/share/kamailio/db_berkeley/kamailio/silo is in kamailio-berkeley-modules 4.2.0-2+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | METADATA_COLUMNS
id(int) src_addr(str) dst_addr(str) username(str) domain(str) inc_time(int) exp_time(int) snd_time(int) ctype(str) body(str) extra_hdrs(str) callid(str) status(int)
METADATA_KEY
3 4 11
METADATA_READONLY
0
METADATA_LOGFLAGS
0
METADATA_DEFAULTS
NIL|''|''|''|''|0|0|0|'text/plain'|''|''|''|0
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