VOIP Phone (IP Phone) in data center room. A PBX (private branch exchange) system allows an organization to manage incoming and outgoing phone calls, as well as internal communication. A PBX is made ...

We are looking at replacing our phone system. We have Nitsuko phone switch using an analog T1 (no PRI) and we are running out of ports on the line cards. This phone system is 18 years old. We have ...