No functional changes.
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

Merge remote branch 'smgfs/master'

Conflicts:
	build/modules.conf.in
	configure.in
	libs/esl/fs_cli.c
	libs/freetdm/mod_freetdm/mod_freetdm.c
	libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.h
	libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
	libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_logger.c
	libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
	src/include/switch_types.h
	src/mod/applications/mod_commands/mod_commands.c
	src/mod/applications/mod_spandsp/mod_spandsp.c
	src/mod/endpoints/mod_opal/mod_opal.cpp
	src/mod/endpoints/mod_opal/mod_opal.h
	src/mod/endpoints/mod_sofia/mod_sofia.h
	src/mod/endpoints/mod_sofia/rtp.c
	src/switch.c
	src/switch_core.c
	src/switch_rtp.c

FTDM_SIGEVENT_UP was falling through to FTDM_SIGEVENT_PROGRESS_MEDIA, which
does (almost) the same, so no harm, but still fix it.
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

No functional changes.
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

Channels can be in DOWN state but reserved by an incoming call
(FTDM_CHANNEL_INUSE flag). Additionally check the flag in on_timeout_t3xx()
and skip those channels.

Reported-by: privi #freetdm @ irc.freenode.net
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

1)resetting term->u.rtp.rfc2833 , if ADD/MODIFY SDP does not have rfc2833
2) calling DTMF removal from modify request also depends on rfc2833 present in sdp or not
3) calling EC disable from ADD/MODIFY api handler if sdp contains T38

Add better handling of time values when the times aren't defined. Fix formatting of the config values for two config values.