The most important thing for businesses at any stage of development is to keep the customer. The loss of a customer is a flaw in the system. As far as the human factor in this matter requires careful and constant monitoring, solution of this problem starts with optimisation of auxiliary tools, in particular, with creation of comfortable conditions for work. Introduction and fine-tuning of IP-telephony operation in a developing company is always the first priority on the agenda.
Audit of your system resulting in installation and connection of telephony in the shortest possible time.