SIP_DLG_EARLY
dialog->sip_dlg_state = SIP_DLG_EARLY;
if (_dialog->sip_dlg_state != SIP_DLG_EARLY &&
assert(_dialog->sip_dlg_state == SIP_DLG_EARLY ||
if (_dialog->sip_dlg_state == SIP_DLG_EARLY) {
sip_msg, SIP_DLG_EARLY,
} else if (_dialog->sip_dlg_state == SIP_DLG_EARLY) {
case SIP_DLG_EARLY: