Integrated telecommunication service, namely, providing HIPAA-Compliant VOIP phone service as well as access to voicemail and call logs via Internet, providing internet access via wireless networks to computer systems, VOIP devices, employees, guests and visitors; and, Sub-dividing local area networks to accommodate for different types of traffic, in particular, VOIP, office data, and guest wireless internet networks, while ensuring required levels of protection, isolation, and bandwidth control for each of the sub-networks