See MODSKINNY-8 (switch_core_io.c:121
SKINNY/internal/SEP002699438FB6:0/1 has no read codec when using early
media)

With following limitations:
- only first line is handled
- only works well when domain name = profile name

T.38 gateway operation with some FAX machines

The V.17 modem has been modified, so it will not clear the most recent
saved AGC value if long training is requested.
The T.38 gateway codec now has fillin implemented properly

                   Default to silence suppression turned off
                   Check for root user