the usage of PBX is to deliver shared entry to minimal methods. like a business owning two,five,ten or more traces from your provider provider and the number of users in that Firm is larger than the amount of strains. https://violavpzy933380.snack-blog.com/29489405/5-easy-facts-about-ip-pbx-dubai-voip-pbx-pbx-supplier-in-dubai-ip-pbx-system-dubai-described