Business telephone systems A few decades ago, businesses used to have landline phones with as many phone lines as the variety of users. Soon, these folks were substituted with expensive but technologically advanced PBX or PABX business telephone systems that have been, you might say, the private networks of each one business. Using these telephone

Business telephone systems Several decades ago, businesses once had landline phones with as much phone lines as the number of users. Soon, they were replaced by expensive but technologically advanced PBX or PABX business telephone systems that had been, in ways, the non-public networks of each one business. With these telephone systems, a small number