Dear Sir, already IPLDK-300 series installation two site, but VOIP & CO Configuration is facing as following problem. 1. When insert VOIP & CLCOB Card in IPLDK-300 systems and configuration done then Dial another site station (for Example # 1177) in that time system receive CO port but when remove CLCOB Card from the system then station go to another site via VOIP Card. I want two routs for VOIP Call & CO Call. So please give me solution ASAP. Thanks , Masuod