sip-in hold/retr error handling: simply send BYE Because we know that the SIP state is CONNECTED at the time of any such error event, we can call initiate_bye() instead of disconnect_sip(), and thereby get rid of struct gsm_mncc_cause which will never be used in this scenario anyway.

CC=	gcc
CFLAGS=	-O2
OBJS=	dtmf_valid.o extdigits.o imsi_entry.o mncc_debug.o mncc_utils.o \
	nanp_valid.o numstring.o sockinit.o
LIB=	libutil.a

all:	${LIB}

${LIB}:	${OBJS}
	ar rcu $@ ${OBJS}
	ranlib $@

clean:
	rm -f *.[oa] errs