Voice Over IP (VOIP) PBX systems offer standard and enhanced business features that amount to major advances and cost savings compared to older telephone system technology. Voicemail, Fax, Unified Messaging, Teleconferencing, Contact Center capabilities, mobile accessibility and much more can easily be set up and utilized through a VOIP PBX. The upfront expenditure to implement an VOIP PBX is significantly less than traditional hardwired systems, because VOIP systems generally require less hardware and they are easier to install.