if this parameter is set to 0 ftmod_analog will not wait
	 for dial tone before dialing out the requested number.
	 Anything bigger than 0 is the units in milliseconds to
	 wait for dialtone before aborting the call.

apparently some sip device vendors did not read the RFC (who knew?) adding verbose_sdp=true var to add needless a= lines for standard iana codecs that explicitly do not require them

Do at least *SOME* verification to make sure that we are getting an IP address in the blacklist list

Implement switch_queue_pop_timeout() and refactor sofia_profile_worker_thread_run() to use it so it doesn't wake up too often

freetdm: use m4_ifdef() to check for pkg-config macros and print a warning if they are not available

...instead of failing at runtime
Signed-off-by: Stefan Knoblich <s.knoblich@axsentis.de>

freetdm: ss7 - bug fix for caller-id presentation...line value was not passed through stack properly