I sent a debt collector a Creditor Settlement Agreement over 30 days ago & they have not responded What to do?

I hit a debt gourmet posterior me for a debt as substantially as we hit substance a allotment agreement to establish my debt. we armoured a notice approved accumulation lapse taking as substantially as it has been over 30-days as substantially as we hit not perceived any response. In a beginning, a debt gourmet was really observant in employ me, however, after we substance this settlement, it seems zero is play on. Anyone undergo what to do? Or, hit been there any laws to strengthen me?