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

libsndfile: Do not build tests. We do not use them anyway and they require autogen, which pulls in lots of other things.

 SFSIP-214 don't override with a possible NULL value for tech_pvt->cid_type because its already defaulted to the profile setting at the top of sofia_glue_do_invite