SIP_DLG_NEW
if (dialog->sip_dlg_state != SIP_DLG_NEW) {
assert(dialog->sip_dlg_state == SIP_DLG_NEW);
if (dialog->sip_dlg_state != SIP_DLG_NEW) {
assert(dialog->sip_dlg_state == SIP_DLG_NEW);
} else if (_dialog->sip_dlg_state == SIP_DLG_NEW) {
case SIP_DLG_NEW:
isnew = _dialog->sip_dlg_state == SIP_DLG_NEW;